I am____ (自我介紹) I feel bad to trouble you but I am afraid that I have to make a complaint about_______.
The reason for my dissatisfaction is ______________(總體介紹). In the first place,_________(抱怨的第一個方面). In addition, _________(抱怨的第二個方面). Under these circumstances, I find it ___(感覺) to ________(抱怨的方面給你帶來的后果).
I appreciate it very much if you could_____________(提出建議和請求), preferably __________(進一步的要求), and I would like to have this matter settled by ______(設定解決事情最后期限).
Thank you for your consideration and I will be looking forward to your reply.