购物英语对话-Returning a Radio(6)

（单词翻译）

A: I'd like to return this radio.
B: Okay. Do you have your receipt¹?
A: I lost it.
B: I am sorry, but you need a receipt for a refund².
A: But I purchased it yesterday.
B: Perhaps you would like to talk to customer service.
A: Well, that's a start, I guess.
B: They're right upstairs.
A: That sounds good. I'll take the escalator.
B: Good luck. I hope someone can help you.