Have a refund
退货

Excuse me. I bought this shirt yesterday, but I would like to refund it.
打扰一下，我昨天买了这件衬衣，但我想换一件。
Give me the receipt, please.
请给我您的发票。
Here is my receipt.
这是我的发票。

What's wrong with it?
衬衣怎么了？
It's too small for me to wear.
我穿上太小了。
Would you like another bigger one?
要换件大点的吗?
No thanks. I want to have a refund.
不用了。我想退货。
OK. Here is your money.
好的，给您钱。