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