Could you do me a favor? 你能帮我一个忙吗?
对话:
A: Mary, could you do me a favor? B: Sure, if I can. A: Of course, you can.I'd like you to type this document for me. B: All right. Put it on my desk. A: Mary,你能帮我个忙吗? B: 当然,如果我能帮上忙的话。 A: 你当然能。我想让你帮我打一下这个文件。 B: 好吧。把它放在我的桌子上吧