Exchange the shoes
换鞋
Excuse me, sir. I wonder if I could exchange the shoes for a larger one.
抱歉,先生,我是否可以换一双大号的鞋子?
No problem. May I see your receipt, please?
没问题,我能看一下您的发票吗?
Here you are.
给你。
That's right. Now try on this one. It's size 41.
没错,试一下这双吧,这是41号的。