学习最基本的礼貌用语与商务客户在电话中交谈。获取联系信息，与苛刻客户达成妥协。

Learn basic polite expressions needed to talk with business clients on the phone. Take contact details and reach a compromise with a difficult client.

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最实用的是那些表达感激之情和客气礼貌的词语，比如“劳驾”，“谢谢你”，“我可不可以”，以及基本的问候用语。

Most useful are those that express gratitude and politeness such as words for please, thank you, and may I, as well as basic greetings.

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