EN: When identifying yourself on the phone or in a formal introduction where you are not yet seen, use 'This is [Name]' instead of 'I am [Name]'.
中文: 在電話中或正式介紹(對方尚未看到你時),習慣使用「This is [姓名]」來自我介紹,而非「I am [姓名]」。
Hello, this is Sarah from the marketing team.
你好,我是行銷團隊的 Sarah。
EN: The preposition 'from' is used to indicate the origin or the specific department/organization someone belongs to.
中文: 介係詞「from」在此用於表示來源,說明某人所屬的部門或機構。
He is a consultant from a top firm.
他是一位來自頂尖公司的顧問。
EN: In Western business culture, it is standard to state both your name and your department or company when answering or making a professional call to provide immediate context.
中文: 在西方商務文化中,接聽或撥打專業電話時,同時報上姓名與所屬部門或公司是標準禮儀,這能立即提供對方所需的背景資訊。
EN: The phrase 'This is [Name]' is a standard way to introduce oneself over the phone or in professional contexts, rather than saying 'I am [Name]'.
中文: 在電話中或正式場合介紹自己時,通常使用「This is [姓名]」,而不是「I am [姓名]」。
Hi, this is Sarah from the marketing department.
嗨,我是行銷部的 Sarah。
EN: The use of the indefinite article 'the' before 'new software engineer' indicates a specific role that the listener is likely aware of or that is unique within the context.
中文: 在「new software engineer」前使用定冠詞「the」,表示這是一個特定的職位,聽者通常已經知道這個職缺或該職位在上下文中是唯一的。
He is the new manager we hired last week.
他就是我們上週僱用的那位新經理。
EN: In Western business culture, it is common to introduce yourself with both your first and last name to ensure clarity, especially when meeting or calling someone for the first time.
中文: 在西方商業文化中,初次見面或通話時,通常會同時報上名與姓(First and Last Name),以確保身份辨識清楚。
EN: The phrase 'How can I help you?' is a standard polite inquiry used in professional settings to offer assistance. It uses the modal verb 'can' to express ability or possibility in a service-oriented context.
中文: 短語「How can I help you?」是專業場合中提供協助的標準禮貌用語。它使用情態助動詞「can」來表達在服務情境下的可能性或能力。
How can I assist you with your reservation?
關於您的預約,我有什麼可以幫您的嗎?
EN: The preposition 'to' is used here to indicate direction or destination following the verb 'welcome', showing the place the person has arrived at.
中文: 介系詞「to」在此處用於動詞「welcome」之後,表示方向或目的地,指明該人所到達的地點。
Welcome to our new office in Taipei.
歡迎來到我們位於台北的新辦公室。
EN: In Western corporate culture, it is common to use first names (like 'Alex' and 'Tom') even between different levels of seniority or when meeting for the first time, reflecting a relatively flat organizational structure.
中文: 在西方企業文化中,即使是不同職級或初次見面,通常也會直接稱呼對方的名字(如 Alex 和 Tom),這反映了相對扁平的組織結構。
EN: The Present Continuous tense (am calling) is used here to describe the current action or the purpose of the phone call happening right now.
中文: 現在進行式 (am calling) 在此處用於描述目前的動作,或說明正在進行的這通電話之目的。
I am calling to confirm our meeting tomorrow.
我打電話是要確認我們明天的會議。
EN: The conjunction 'because' introduces a subordinate clause that provides the reason for the action in the main clause.
中文: 從屬連接詞 'because' (因為) 引導一個從屬子句,用來解釋主句動作發生的原因。
She stayed home because she was feeling ill.
她待在家裡是因為她覺得身體不舒服。
EN: In Western business culture, it is common and professional to state the purpose of your call immediately after the initial greetings. This respects the other person's time.
中文: 在西方商務文化中,在初步問候後立即說明通話目的是非常普遍且專業的做法。這展現了對他人時間的尊重。
EN: Present Continuous Tense (am/is/are + V-ing): Used to describe an action that is currently in progress at the moment of speaking.
中文: 現在進行式 (am/is/are + V-ing):用於描述說話當下正在進行中的動作。
What are you eating for lunch right now?
你現在午餐正在吃什麼?
EN: Wh- Questions with Nouns: The word 'which' acts as a determiner followed by a noun ('project') to ask for a specific choice from a set of options.
中文: Wh- 疑問詞搭配名詞:'which' 在此作為限定詞,後接名詞 ('project'),用來詢問在一組選項中特定的選擇。
Which book are you reading?
你正在讀哪一本書?
EN: In a professional setting, 'working on' is a very common phrasal verb used to discuss tasks, projects, or responsibilities. It sounds more collaborative and focused than simply saying 'doing'.
中文: 在專業職場環境中,'working on' 是一個非常常見的片語,用於討論任務、專案或職責。比起單純說 'doing',它聽起來更具協作感且更專注於過程。
EN: Present Perfect Passive: Formed with 'have/has + been + past participle'. It indicates that an action started in the past and continues to the present, or its result is relevant now, while focusing on the person receiving the action.
中文: 現在完成式的被動語態:由「have/has + been + 過去分詞」構成。表示一個動作從過去開始持續到現在,或其結果與現在相關,同時強調動作的承受者。
The new office has been cleaned every day this week.
這間新辦公室這週每天都被打掃。
EN: The preposition 'since' is used to indicate the starting point of a period of time that continues until the present.
中文: 介係詞「since」用於標示一個持續到現在的時間點的起點。
She has lived in London since 2015.
她自 2015 年以來一直住在倫敦。
EN: In a professional setting, using the passive voice ('I've been assigned') is common when discussing tasks given by management, as it focuses on the current responsibility rather than who gave the order.
中文: 在職場環境中,討論管理層交辦的任務時,使用被動語態(I've been assigned)是很常見的,因為這將焦點放在目前的職責上,而不是誰下達了命令。
EN: Passive Voice (be + past participle): Used when the action is more important than who performed it. Here, 'were prepared' indicates the documents received the action of preparation.
中文: 被動語態 (be 動詞 + 過去分詞):當動作本身比執行者更重要時使用。這裡的 'were prepared' 表示文件是被準備好的。
The report was written by the manager.
這份報告是由經理撰寫的。
EN: Relative Clause (that...): A subordinate clause used to provide more information about a noun (the antecedent). 'That' refers back to 'some documents'.
中文: 關係子句 (that...):用來提供關於名詞(先行詞)更多資訊的從屬子句。這裡的 'that' 指代前面的 'some documents'。
I have a book that belongs to you.
我有一本屬於你的書。
EN: In a professional onboarding context, providing 'prepared documents' shows organizational efficiency and a welcoming attitude towards new employees.
中文: 在專業的入職情境中,提供「準備好的文件」展現了公司的組織效率以及對新員工的歡迎態度。
EN: Linking Verbs (Sensory Verbs): 'Sound' is used as a linking verb to describe a subject's quality. It is followed by an adjective (helpful) rather than an adverb.
中文: 連綴動詞(感官動詞):'Sound' 在此作為連綴動詞,用來描述主詞的特質。其後應接形容詞 (helpful) 而非副詞。
Your plan sounds great for the team.
你的計畫聽起來對團隊很有幫助。
EN: Polite Requests with 'Could': Using 'Could' instead of 'Can' makes a request more formal and polite in a professional setting.
中文: 使用 'Could' 的禮貌請求:在職場環境中,使用 'Could' 代替 'Can' 會使請求顯得更正式且有禮貌。
Could you explain this report to me?
你可以向我解釋這份報告嗎?
EN: In Western business culture, it is common to acknowledge the value of information ('That sounds helpful') before making a follow-up request. This builds rapport and shows you are actively listening.
中文: 在西方商業文化中,在提出後續要求之前,先肯定對方提供資訊的價值(例如說「那聽起來很有幫助」)是很常見的。這能建立良好關係並顯示你正在積極傾聽。
EN: The phrase 'need to + verb' is used to express necessity or obligation. It is followed by the base form of the verb (infinitive).
中文: 短語「need to + 動詞」用於表達必要性或義務。後面接動詞原形(不定式)。
I need to finish this report by five o'clock.
我需要在五點前完成這份報告。
EN: The verb 'transfer' is often used with the preposition 'to' to indicate the destination or recipient of a movement or communication.
中文: 動詞「transfer」(轉接/轉移)通常與介詞「to」連用,用以表示移動或通訊的目的地或接收者。
Please transfer the call to the manager.
請將電話轉供給經理。
EN: In Western corporate environments, 'HR' (Human Resources) is the standard term for the department that handles personnel, benefits, and access permissions. It is common to refer to departments by their acronyms.
中文: 在西方企業環境中,「HR」(人力資源部)是處理人事、福利和權限許可的標準術語。在職場中,直接使用部門的縮寫是非常普遍的。
EN: The auxiliary verb 'do' is used to form questions in the present simple tense for non-modal verbs. It precedes the subject to indicate an interrogative structure.
中文: 助動詞 'do' 用於一般現在時的非情態動詞疑問句中。它置於主詞之前,用來標示疑問句結構。
Why do you want to change your password?
你為什麼想要更改密碼?
EN: The semi-modal verb 'need to' expresses necessity or obligation. It is followed by the base form of the main verb (in this case, 'speak').
中文: 半情態動詞 'need to' 表達必要性或義務。其後接主要動詞的原形(在此句中為 'speak')。
I need to finish this report by Friday.
我需要在週五前完成這份報告。
EN: In many Western corporate environments, HR (Human Resources) handles not only hiring but also administrative security, such as access codes and onboarding logistics. It is common for employees to be directed to HR for non-technical administrative tasks.
中文: 在許多西方企業環境中,HR(人力資源部門)不僅負責招聘,還處理行政安全事務,例如存取碼和入職物流。員工因非技術性的行政任務被轉接到 HR 是很常見的。
EN: The relative pronoun 'that' introduces a relative clause (that you need for the project files) to provide more information about the noun 'access codes'. In this case, 'that' acts as the object of the verb 'need'.
中文: 關係代名詞 'that' 引導關係子句(that you need for the project files),用來修飾先行詞 'access codes'(存取碼)。在子句中,'that' 作為動詞 'need' 的受詞。
I have the report that you requested yesterday.
我有你昨天要求的那份報告。
EN: The Present Simple tense is used here to describe a regular job responsibility or a permanent situation. The verb 'handles' takes an '-s' because the subject 'She' is third-person singular.
中文: 現在簡單式用於描述例行工作職責或永久性的狀態。動詞 'handles' 加了 '-s' 是因為主詞 'She' 為第三人稱單數。
He manages the marketing team.
他管理行銷團隊。
EN: In corporate environments, 'handles' is a common professional way to say 'is responsible for' or 'manages'. It implies that the person is the point of contact for that specific task.
中文: 在企業環境中,'handles' 是一個常用的專業用語,意指「負責」或「管理」。它暗示該員工是該特定任務的窗口或負責人。
EN: The modal verb 'could' is used here to make a polite request. It is more formal and softer than 'can', making it suitable for professional workplace communication.
中文: 助動詞 'could' 在此用於表達禮貌的請求。它比 'can' 更正式且語氣更委婉,非常適合職場溝通。
Could you please open the window?
可以請你開窗嗎?
EN: The verb 'transfer' in a telephonic context means to connect a caller to another person or extension.
中文: 動詞 'transfer' 在電話語境中意指「轉接」,即將通話者連接至另一人或分機。
Please hold while I transfer your call to the manager.
請稍候,我正將您的電話轉接給經理。
EN: In Western business culture, 'I see' is a common way to acknowledge information without necessarily agreeing or disagreeing. It shows active listening.
中文: 在西方商務文化中,「I see」是確認收到資訊的常用方式,不一定代表同意或反對,主要是展現積極傾聽。
EN: The modal verb 'can' is used here to make a polite request. It is followed by the base form of the verb 'hold'.
中文: 情態助動詞 'can' 在此處用於提出禮貌的請求。其後接動詞原形 'hold'。
Can you wait for a second while I check the schedule?
當我確認行程時,你可以等一下嗎?
EN: The conjunction 'while' introduces a subordinate clause indicating that two actions are happening at the same time.
中文: 從屬連接詞 'while' 引導一個子句,表示兩個動作同時發生。
Please stay on the line while I transfer your call.
在我轉接您的電話時,請不要掛斷。
EN: In professional phone etiquette, asking 'Can you hold?' is more polite than simply saying 'Wait a minute.' Using 'while I connect you' provides transparency, letting the caller know exactly what is happening.
中文: 在專業電話禮儀中,詢問「Can you hold?」比直接說「Wait a minute」更有禮貌。加上「while I connect you」能提供透明度,讓來電者清楚知道目前正在進行的操作。
EN: The phrase 'It seems like' is used as an introductory clause to express an impression or a likely situation based on current evidence. It is often followed by a full clause (subject + verb).
中文: 「It seems like」是一個引導從句,用於根據目前的證據表達某種印象或可能的情況。後面通常接一個完整的子句(主詞 + 動詞)。
It seems like it's going to rain soon.
看起來快要下雨了。
EN: The prepositional phrase 'at one's desk' is a common workplace idiom meaning that a person is physically present and available at their workstation.
中文: 介系詞短語「at one's desk」是辦公室常用的習語,意思是某人正坐在位置上,可以處理事務。
Please leave a message if I am not at my desk.
如果我不在座位上,請留言。
EN: In Western business culture, saying someone is 'not at their desk' is a polite way to indicate they are unavailable without necessarily explaining why (e.g., they could be in a meeting, on a break, or in the restroom).
中文: 在西方商務文化中,說某人「不在座位上 (not at their desk)」是一種禮貌的說法,用來表示對方目前無法接聽電話或處理事務,而不需要具體說明原因(例如:他們可能在開會、休息或去洗手間)。
EN: The modal verb 'should' is used to ask for advice or suggestions. It is followed by the base form of the main verb (do).
中文: 助動詞 'should' 用於徵詢建議或意見。其後接主要動詞的原形 (do)。
What should I wear to the interview?
面試我應該穿什麼?
EN: The phrase 'in that case' is a transitional phrase used to refer back to a specific situation or condition that has just been mentioned.
中文: 短語 'in that case' 是一個轉折語,用於指代剛剛提到的特定情況或條件。
If it rains, in that case, we will cancel the picnic.
如果下雨,在這種情況下,我們將取消野餐。
EN: In Western business culture, 'That's okay' is a common way to acknowledge a minor setback or change in plans without showing frustration. Asking 'What should I do' demonstrates a proactive attitude toward problem-solving.
中文: 在西方商業文化中,「That's okay」是承認小挫折或計劃變動且不表現出沮喪的常用方式。詢問「What should I do」則展現了積極解決問題的態度。
EN: The modal verb 'could' is used here to make a polite suggestion or to indicate a possibility in a helpful manner, rather than expressing past ability.
中文: 助動詞「could」在此處用於提出禮貌性的建議或表示一種可能的做法,而非表達過去的能力。
You could try calling him again tomorrow morning.
你可以試著明天早上再打給他。
EN: The preposition 'with' is used to indicate accompaniment or inclusion, showing what information should be included in the voicemail.
中文: 介系詞「with」在此用於表示伴隨或包含,說明語音留言中應包含哪些資訊。
Please send the report with your signature.
請寄送附有你簽名的報告。
EN: In Western business culture, leaving a clear voicemail with your contact information is standard practice when someone is unavailable. It is considered professional to state your name and number clearly at the beginning or end of the message.
中文: 在西方商務文化中,當對方不在位子上時,留下包含聯絡資訊的清晰語音留言是標準做法。在留言開頭或結尾清楚說明姓名和電話被視為專業的表現。
EN: The modal verb 'should' is used to ask for advice or to check if an action is appropriate or necessary in a given situation.
中文: 助動詞 'should' 用於徵詢建議,或確認在特定情況下某個行為是否合適或必要。
Should I bring an umbrella today?
我今天應該帶傘嗎?
EN: The adverb 'also' is used to add extra information. In a question, it typically follows the subject.
中文: 副詞 'also' 用於增加額外資訊。在疑問句中,它通常放在主詞之後。
Can he also play the piano?
他也會彈鋼琴嗎?
EN: In Western business culture, leaving a concise voicemail that includes your name, contact information, and the specific reason for calling (like a project name) is considered professional and efficient.
中文: 在西方商業文化中,留下簡潔的語音留言(包括姓名、聯絡方式以及具體的致電原因,如專案名稱)被視為專業且有效率的表現。
EN: The structure 'It/That + be + adjective + for someone + to do something' is used to describe how an action affects a specific person. Here, 'for her' identifies the person who finds the action helpful.
中文: 結構「It/That + be + 形容詞 + for 某人 + to do 某事」用於描述某個動作對特定對象的影響。在此句中,「for her」指明了覺得該動作有幫助的對象。
It is important for you to arrive on time.
準時到達對你來說很重要。
EN: The modal verb 'would' is used here to express a hypothetical or likely result in a polite way, indicating what the outcome would be if the action is taken.
中文: 助動詞「would」在此處用於以委婉的方式表達假設或可能的結果,表示如果採取該行動將會產生的影響。
That would be the best solution for our problem.
那將會是解決我們問題的最佳方案。
EN: In professional English, using 'would' instead of 'will' makes the speaker sound more polite and less demanding. It creates a supportive tone when confirming that a colleague's action is useful.
中文: 在專業英語中,使用「would」而非「will」會使說話者聽起來更有禮貌且不那麼強硬。當確認同事的行為有幫助時,這能營造出一種支持與肯定的語氣。
EN: The phrase 'Got it' is a common informal expression used to indicate that you have understood a piece of information or an instruction. It is a shortened version of 'I have got it'.
中文: 短語「Got it」是一個常用的非正式表達方式,用來表示你已經理解了某項資訊或指令。它是「I have got it」的縮寫形式。
The meeting is at 3 PM. - Got it, I'll be there.
會議在下午三點。- 明白了,我會準時參加。
EN: Compound Predicate: This sentence uses two verbs ('leave' and 'ask') connected by the conjunction 'and', both sharing the same subject 'I' and the auxiliary verb 'will' to express future intent.
中文: 複合謂語:本句使用連接詞「and」連接兩個動詞(leave 和 ask),兩者共享同一個主詞「I」和助動詞「will」,用以表達未來的意圖。
I will go home and cook dinner.
我會回家並煮晚餐。
EN: In Western business culture, leaving a voicemail is a standard practice when someone is unavailable. It is expected to be brief and include your name, number, and the reason for calling to ensure a prompt callback.
中文: 在西方商務文化中,當對方不在位子上時,留言(voicemail)是標準做法。留言應保持簡短,並包含姓名、電話及致電原因,以確保能獲得及時的回電。
EN: First Conditional: Used to talk about things which might happen in the future. The structure is 'If + present simple, imperative/will + verb'.
中文: 第一類條件句(First Conditional):用於描述未來可能發生的情況及其結果。結構為「If + 現在簡單式,祈使句/will + 動詞」。
If it rains tomorrow, please bring an umbrella.
如果明天下雨,請帶把傘。
EN: Phrasal Verb 'Call back': A common business English phrasal verb meaning to return a telephone call.
中文: 片語動詞 'Call back':商務英語中常用的片語,意指「回電」或「回電話」。
I will call you back in ten minutes.
我十分鐘後會回電給你。
EN: In Western business culture, offering a follow-up plan (like 'contact me again') shows reliability and proactive customer service.
中文: 在西方商務文化中,主動提供後續方案(如「再次聯繫我」)展現了可靠性與積極的服務態度。
EN: The Present Perfect Tense (have/has + past participle) is used here to describe a state or action that started in the past and continues to be relevant to the present moment.
中文: 現在完成式(have/has + 過去分詞)在此處用於描述從過去開始並持續到現在,且與目前情況相關的狀態或動作。
You have been very patient with me during this process.
在這個過程中,你一直對我很有耐心。
EN: The adverb 'really' is used as an intensifier before the adjective 'helpful' to emphasize the degree of assistance provided.
中文: 副詞「really」作為強化詞置於形容詞「helpful」之前,用以強調所提供幫助的程度。
This software is really useful for my daily tasks.
這款軟體對我的日常工作非常有幫助。
EN: In Western business culture, it is common and encouraged to explicitly thank colleagues and acknowledge their help, often using their first name to build rapport.
中文: 在西方商業文化中,明確地感謝同事並認可他們的幫助是很常見且受鼓勵的,通常會直呼其名以建立良好的互動關係。
EN: The phrase 'not... at all' is used to emphasize a negative statement. In this context, 'No problem at all' is a common idiom used to respond to a thank-you, meaning 'you are very welcome'.
中文: 短語 'not... at all' 用於加強否定句的語氣。在此語境中,'No problem at all' 是一個常見的慣用語,用來回應對方的感謝,意思是「完全沒問題」或「一點也不麻煩」。
I am not tired at all after the long walk.
長途跋涉後我一點也不累。
EN: Imperative sentences for well-wishing: 'Welcome' and 'Good luck' function as formulaic expressions to greet someone or offer encouragement. 'Welcome to [place/group]' is the standard structure for hospitality.
中文: 祝福語的祈使句用法:'Welcome' 和 'Good luck' 作為公式化的表達方式,用於迎接某人或提供鼓勵。'Welcome to [地點/團體]' 是表示歡迎的標準結構。
Welcome to our home and enjoy the party!
歡迎來到我們家,盡情享受派對吧!
EN: In Western workplace culture, it is common to use a friendly and informal tone (like using first names) even when welcoming a new employee. 'Good luck' is a standard way to end a first conversation, showing support for the person's new role.
中文: 在西方職場文化中,即使是歡迎新員工,通常也會使用友好且非正式的語氣(例如直呼其名)。'Good luck' 是結束第一次對話的標準方式,展現了對對方新職位的支持與鼓勵。
EN: The contraction 'I'll' (I will) is used to express a spontaneous decision or a promise made at the moment of speaking, often used in closing a conversation.
中文: 縮寫 'I'll' (I will) 用於表達在說話當下所做的決定或承諾,常用於結束對話時。
I'll call you when I arrive at the office.
我到辦公室後會打給你。
EN: The phrase 'talk to someone' indicates a two-way communication. Using 'soon' as an adverb of time indicates the action will happen in the near future without a specific time set.
中文: 片語 'talk to someone' 表示雙向溝通。使用 'soon' 作為時間副詞,表示該動作將在不久的將來發生,但未設定具體時間。
We should talk to the manager soon about the budget.
我們應該很快要跟經理談談預算的事。
EN: In Western business culture, 'talk to you soon' is a friendly and professional way to end a call, even if there isn't a scheduled next meeting. It signals that the relationship is ongoing and positive.
中文: 在西方商業文化中,「talk to you soon」是一種友善且專業的通話結束語,即使沒有預定的下次會議。它傳遞出雙方關係持續且正向的訊號。
EN: The sentence 'Have a great day' is an Imperative Sentence used as a wish. While imperatives are often used for commands, they are frequently used in social formulas to express well-wishes where the subject 'you' is implied.
中文: 祈使句(Imperative Sentence)用於祝福。雖然祈使句通常用於命令,但在社交場合中,它們常用於表達祝願,此時省略了主詞「you」。
Have a safe trip.
祝你旅途平安。
EN: The use of 'a' before 'great day' is an Indefinite Article. It is used before singular countable nouns that are being mentioned in a general sense or for the first time.
中文: 在 'great day' 之前使用 'a' 是不定冠詞(Indefinite Article)。它用於修飾單數可數名詞,表示泛指或初次提及的事物。
He bought a new car.
他買了一輛新車。
EN: In English-speaking cultures, particularly in the US, 'Have a great day' is a standard polite closing for almost any interaction, from business meetings to buying coffee. It reflects a cultural emphasis on friendliness and positive social exchange.
中文: 在英語系國家(尤其是美國),「Have a great day」是幾乎所有互動中標準的禮貌結尾,無論是商務會議還是買咖啡。這反映了文化中對友善和積極社交互動的重視。
重要單字附有 IPA 發音、定義、例句和互動式測驗。
在本文中: 部門,公司內部的特定職能單位
在本文中: 被指派或分配到某項任務或職位
在本文中: 文件,提供資訊或證據的書面資料
在本文中: 轉接(電話)或轉移
在本文中: 進入、使用或獲取資料的權限
在本文中: 語音信箱,用於留言的系統
在本文中: 提及,簡短地說到某事
在本文中: 回電
在本文中: 聯繫,與某人取得聯絡
片語包含類型標示、雙語定義、用法說明和例句。
To wait for a short period of time, especially on the telephone.
稍候片刻
To return a telephone call.
回電
Being present at one's workspace.
在位子上、在辦公桌前
A polite way of saying 'you're welcome' or agreeing to a request.
一點也沒問題;不用客氣
The division of a company focused on creating, designing, and improving products or software.
研發部門
To connect a telephone caller to another person's phone line or extension.
轉接(電話)
A series of numbers or letters used to gain permission to open or use digital files or systems.
存取碼 / 授權碼
To remain on a telephone line without hanging up while waiting for a connection or information.
(電話)不掛斷等待