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