【正确答案】[范文]
Dear Sir or Madam,
I feel bad to trouble you but I am afraid that I have to make a complaint about the coat I bought in your department store several days ago.
After I had bought the coat and returned home, I found some problems with it. There was a small hole in one of the coat sleeves, and the zipper had broken off, actually tore off. I telephoned your department store the day before yesterday and explained what the problems were to the shop assistant from whom I bought the coat. However, she was quite rude on the telephone and informed me that I could not get a replacement for this coat as it was purchased at a reduced price.
I would be perfectly satisfied if you would kindly replace the coat or refund my money.
I would like to have this matter settled by this weekend.
Yours sincerely,
LiMing

【答案解析】[解析] [模板(训练目标：投诉信)]
Dear Sir or Madam,
I feel bad to trouble you but I am afraid that ①__________.
②__________, I found some problems with it.
③__________.
④__________.
However, ⑤__________.
I would be perfectly satisfied if ⑥__________.
I would like to ⑦__________.
Yours sincerely，
LiMing
①说明事由
②事情发生的时间
③具体问题
④自己的挽救行动
⑤挽救行动未获成功
⑥具体要求
⑦催促解决时间