Can I help you, sir?有什么能帮您的吗，先生？Yes, I'm looking for a shirt for my father.是的，我在为我父亲找一件衬衫。What size do you want?您要多大号？Size M.中号。What color would you like?您想要什么颜色？I'd like white. My father looks young in White.我想要白色。我父亲穿白色看上去年轻。I'm sorry. But we don't have any white shirts in that size.不好意思。但是白色的衬衫没有中号了。How about the green one or the brown one？绿色的那件怎么样？或者棕色那件？The green one looks nice, too. How much is it?绿色的那件看起来不错。多少钱？50 dollars.50美元。Well, I'll take it.好的，我要了。