日常购物英语情景会话：换鞋子Toexchangetheshoes

C：

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？

S：

No problem. May I see your receipt, please? 

没问题，我能看一下您的发票吗？

C：

Here you are. 

给你。

S：

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。