A: I don't want to keep this radio.
我不想要这台收音机了。

B: No problem. Let me see your receipt, please.
没问题。让请我看下你的收据。

A: Of course. I always keep my receipts.
当然可以，我总是留着收据。

B: Is there a problem with the radio?
收音机有问题吗？

A: Something is rattling around inside it.
收音机里面有东西在滚来滚去。

B: Would you like a different model?
你想换其他型号吗？

A: No. Just give me a refund, please.
不了，请给我退款吧。

B: Okay, a refund will be no problem.
好吧，退款没问题。