应用文 投诉信1、 题型特点与写作思路1、 题型特点投诉信是写信人对产品或服务表示不满的信件。常用于消费者的利益受损、正常生活和工作受到干扰等令人伤脑筋的事情。写投诉信时，要注意写明投诉原委，用词要恰当。2、写作思路第一步：表明投诉原因第二步：列举抱怨的具体问题，并说明问题带来的后果。第三步：提出合理的建议2、 投诉信常用词汇与套用句型一定要背下来的词汇Complain v. 投诉 Disappointment n.失望Ashamed adj.惭愧的Dissatisfaction n.不满Investigate v.调查Explanation n.解释一定要背下来的套用句型1、 I am writing to you to complain about .我写信向你投诉。2、 I wish to express my dissatisfaction/disappointment about.我想表达我对_的不满/失望3、 I believe you will take my complaints seriously and .我相信你会认真对待我的投诉，并且。4、 I hope you will give due attention to this matter .希望你能对此事给予足够的重视。5、 I hope you will kindly investigate .我希望你对_进行调查。6、 To remedy the matter, i suggest making the following changes.为了补救这个问题，我建议做出以下改变3、 模板Dear_, I am writing to complain about _.Im writing this letter to notify you about a problem i am having with_. The reason for my dissatisfaction is _.First of all,_.Second/In addition,_.(Third,_.)Whats most unacceptable is that_. Frankly speaking,this is the worst experience i have ever had,and i would like to have this matter settled by_. Thank you for your consideration./I look forward to you early reply. Sincerely yours, _