Dear ______，
①I am ______(自我介紹)。 ②I feel bad to trouble you but I am afraid that I have to make a plaint about。
③The reason for my dissatisfaction is ______(總體介紹)。 ④In the first place， ______(抱怨的第壹個方面)。 ⑤In addition， ______(抱怨的第二個方面)。 ⑥Under these circumstances， I find it ______(感覺)to______(抱怨的`方面給妳帶來的後果)。
⑦I appreciate it very much if you could ______(提出推薦和請求)， preferably ______(進壹步的要求)， and I would like to have this matter settled by ______(設定解決事情最後期限)。 ⑧Thank you for your consideration and I will be looking forward to your reply。
Yours sincerely，
Li Ming