A: May I exchange this DVD player?
我能换台DVD播放机？

B: Certainly. Do you have your receipt?
当然可以，你有收据吗？

A: Here you are.
给你。

B: Now, why do you want to exchange it?
现在能解释些为什么想换机器吗？

A: It won't play a DVD.
它无法播放DVD。

B: I'm sorry. I'll get you a new player.
很抱歉，我会给您换台新的。

A: At first, I thought it was me.
一开始，我以为是我。

B: Okay, here's a new one for you.
好的，给您新机器。