【答案解析】[听力原文]
W: What can I do for you, sir?
M: I"m looking for a jacket for my son.
W: Come with me, please. Here are jackets for boys.
M: The black one is nice. How much is it?
W: Twenty five pounds.
M: Oh, I"m afraid it"s too expensive.
W: What about the blue one over there? It looks nice, too. And it"s cheaper.
M: But it"s a bit small. Have you a bigger size?
W: Sorry, we haven"t. But we"ll get some soon. Will you come next week?
M: All right. I"ll come again.