1.Good morning [afternoon ,evening ],XXX.早安（午安,晚安）,xXX.2.Hi,XXX.嗨,XXX.3.Hi,XXX.how are you doing?嗨,XXX.4.Fine.And you?不错.你呢?5.Hello,xxx.how are you?哈罗,XXX.6.Pretty good.Thanks.And you?...