一、投诉信Dear_ ,I am_ (自我介绍). I feel bad to trouble you but I am afraid that I have to make a complaint about sth.The reason for my dissatisfaction is_ (总体介绍). In the first place,_ (抱怨的第一个方面). In addition,_(抱怨的第二个方面). Under these circumstances, I find it_ (感觉) to_ (抱怨的方面给你带来的后果).I appreciate it very much if you could_(提出建议和请求), preferably_
