A:I'm afraid I have to return this sweater.恐怕我得把这件毛衣退掉。
B:May I ask if there's anything wrong with it?请问毛衣有什么毛病吗?
A:You see,there is a run at the neck.你看,脖子这块脱针了。
B:Oh,sorry.But do you want to change it for another one?哦,对不起。你想换一件吗?
A:No,thank you.不想换,谢谢你。