A:Can I help you?
B:Yes,please.I want a shirt.
A:What color do you want?
B:Blue.
A:Here you are.
B:How much is it?
A:It's 20 dollars.
B:Thank you .
A:You're welcome
能为你效劳吗?
乙：是的,请.我想要一件衬衫.
你喜欢什么颜色的?
乙：蓝色.
给你.
乙：多少钱?
答：这是20美元.
乙：
不客气
A:Can I help you?
B:Yes,please.I want a shirt.
A:What color do you want?
B:Blue.
A:Here you are.
B:How much is it?
A:It's 20 dollars.
B:Thank you .
A:You're welcome
能为你效劳吗?
乙：是的,请.我想要一件衬衫.
你喜欢什么颜色的?
乙：蓝色.
给你.
乙：多少钱?
答：这是20美元.
乙：
不客气