谢谢：thank you最常用，另外还有 many thanks ,thanks a lot,
不用谢：you're welcome.最常用 ，另外还有it's my pleasure,don't mention it ,not at all,just forget,
对不起:sorry最常用,另外还有iam so soory (加强抱歉的诚意)i feel terrible sorry ...
等等。
没关系：that's ok 最地道最常用。另外还有it's okay、 don't mention . that's fine,never mind ,It doesn't matter...
你呢:how about you ,what about you 都可以。另外还有and you"?how about+...表示用来询问什么。
