第一篇：
Dear Mr. Gao:
I bought a color TV set from your store yesterday, but when I came back to home, I found there was no image in it. So I returned to your store, but your shop assistants said they would not be responsible for the problem.
I bought the color TV set and took it back to home without any question and I can only assume that the problem must be due to the quality of TV set itself.
I shall be glad that if you will replace my TV set as soon as possible.
Yours sincerely,
***
第二篇：
Dear Mr. Gao
I have to write this complain letter even it is a little bit interruptive to you. I bought a color television in your emporium the other day, but there was no image when I turned it on at home. There might be something wrong with the new-bought TV, so I went back to find the exact salesperson to ask for changing a new one. She refused me without any politeness. I'm wondering how can you treat customers like this? I'm writing to ask my money back if you can not provide a new one.
Yours Sincerely
XXX
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