Dear ______，

     ①I am ______(自我介绍)。 ②I feel bad to trouble you but I am afraid that I have to make a plaint about。

     ③The reason for my dissatisfaction is ______(总体介绍)。 ④In the first place， ______(抱怨的第一个方面)。 ⑤In addition， ______(抱怨的第二个方面)。 ⑥Under these circumstances， I find it ______(感觉)to______(抱怨的方面给你带来的后果)。

      ⑦I appreciate it very much if you could ______(提出推荐和请求)， preferably ______(进一步的要求)， and I would like to have this matter settled by ______(设定解决事情最后期限)。 ⑧Thank you for your consideration and I will be looking forward to your reply。

                                                                                                       Yours sincerely，

                                                                                                         Li Ming