in turn 转而，反过来，依次in return 作为回报Can I buy lunch for you in return for your help?感谢你的帮忙，我请你吃午饭好么？I asked her opinion,but she just asked me a question in turn.我征求她的意见，她却只是反问了一个问题。只不过是意思上的区分，没别的
