高级英语对话 第 199 课：收到收音机-4

A: Hi. I don't want to keep this radio.
B: No problem. May I have your receipt, please?
A: Sorry. I could not find it.
B: We can't give you a refund without a receipt.
A: You know, I bought it at 3 p.m. yesterday.
B: I wish I could help you, but it's store policy.
A: Every rule has an exception.
B: Perhaps if you try customer service.
A: Yes, they might be able to help me.
B: They're upstairs. Good luck!