abut 200wds to 300wds
ps：没有标点符号,全部靠左,开新段都是顶格开始,不用空2个字的位置.
October 1,20__ ( date)
Mr./Ms xxxxx (name) (收件者)
President (tittle/position)
xxxxxxxxxfererfsc (name of the campany）
flat x
111 Main Street
Warren,PA 42111 (address)
Dear Mr./Ms xxxxx / sir
1st paragraph(purpose)and(your require)：
1)(purpose)
I am pained to inform you that my terrible experience,buying a phone with something wrong ( 使用过程中经常自动关机).
2) (your require)
I am writing to obtain compensation for a huge mistake for which I believe your campany is responsible.
last paragraph：(what your require)
-ask for apology
-any require (feed back) (要求更换)
Please call me before October 15 with confirmation that our requests will be honored.
I look forward to hearing from you.
(yours)Sincerely (if you know who you are writing to)
(yours)faithfully (you don't know the one that you are writing to)
your signature( 陈斌)
your name (陈斌)