1.基本上一个老外进来,你按常规问他一句Can I help you?他只想看看的话会说I'm fine之类,然后你可以说：Anyone you like,you could try it on
2.Do you have a medium-size?
你说：Yes we have.I'll find you one,just a minute
3.Sorry,but we only have large size and extra-large size
4.There is the changing room
5.This(衬衫,裙子等等）looks good on you