2016年12月英语四级写作应用文模板：投诉信

Dear __________,

My name is __________, and I am __________. I venture to write you a letter about __________.

The focus of the complaint is _________. For on thing,___________. For another,__________. Under these circumstances, I found / find it __________. Honestly speaking, _________. In addition,__________. All in all, there is still much room for improvement.

I do hope _________. Thank you for your time and kind consideration.

Sincerely yours,

_______

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