投诉信、抱怨信
You bought a vacuum cleaner from a reputable electrical shop the other week but found that there were some problems with it. Write a letter to the director of the sales department in the shop to tell:
1)What the problems with vacuum cleaner are,
2)the trouble it caused with you,
3)What you would like them to do about it
Dear Director of the Sales Department,
称呼:写作关系不亲密的个人
I am Li Ming, an ordinary consumer of your shop.
I venture to write you a letter about the problems caused by the Vacuum Cleaner of Model XYZ I bought