Dear ______,
①I am ______（自我介绍）. ②I feel bad to trouble you but I am afraid that I have to make a complaint 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 ______（提出建议和请求）, 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.
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