A: Can I exchange this DVD player?

 B: Let me see your receipt, please.

A: I always keep my receipt.

 B: Could you tell me what the problem is?

A: When I hit “Play,” nothing happens.

 B: Yours is the first one that's been returned.

A: Nothing I tried would make it work.

B: You might want to try playing this one before you leave.

 

Can I exchange this DVD player? 我能换这台DVD机吗？

 

 礼貌提出请求 May I... Could I... I'd like to... Let me see your receipt, please. 我可以看看你的收据吗？

 

Do you have your receipt? 你有收据吗？

你可以简单回答英语：

Here you are./ Here it is. 给你

Could you tell me what the problem is? 能告诉我，问题是什么吗？

 

【间接疑问句】礼貌询问 问句用陈述句语序

When I hit “Play,” nothing happens. 我按“播放”键时，不灵。

 

Yours is the first one that's been returned. 你的是第一个被退回的。

 

has been returned 被动态的现在完成时

 

 Nothing I tried would make it work.

我试过的办法都不管用。 这里讲的是过去的事，所以用一般过去时

 

You might want to try playing this one before you leave.

你最好在离开前先播放一下这一个。

 

 【礼貌提建议】 You might want to... Should（应该），用在对同事或熟识的人提供建议，如果是上司、客户时，这样回答会显得失礼。

 例如： You might want to consider hiring a personal trainer.