最新英语四级作文写作万能模板：投诉信

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        　　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,
        　　_______