haveagoodtime=havefun=enjoyoneself.1·问候goodmorning/afternoon/evening.早上、下午、晚上好！hello!hi!你好！howareyou?你好吗？fine,thankyou.andyou?我很好，谢谢，你呢？verywell,thankyou.很好，谢谢。2·告别Ithinkit'stimeforustoleavenow...

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