名字、信箱、地域范围由小到大，写在右下角（与我们相反）。
（二）信纸格式：
 日期：背月份的缩写
 称呼（后面的标点是逗号）:Dear Sir or Madam, To whom it may concern,
 正文：空4个字节或者顶格写，段与段之间空行）
 签名：sincerely yours
书信写作的五点要求：
1、开门见山说意图
2、咨询/ 建议1、2、3、
3、不同内容可分段
4、感谢客气不可少
5、期待回信成老套
（三）开头段：
1、 告知对方你的身份（假如对方不认识你）
Dear Sir/ Mr. Prometheus,
I was a student at your college, enrolled in Philosophy Department.
/ I am a… at your…
/ I am a … at your college, enrolled in the… course.
/ My name is…, I am…
2、 问候收信人（假如他/她是你的朋友）
Dear Prometheus,
      Hello / Hi. How are you? / I hope everything is fine. / How are things going with you?
       / How are you getting on in / getting along with…..?
3、 解释写信的原因
（1） 致谢：
I deeply appreciate your courtesy and I hope to reciprocate your favor when the opportunity arises.
/ I am greatly indebted to you for (the double) you have gone to on my behalf.
/ Thank you for your letter about studying in Canada.
/ I am writing to tell you how grateful I am for…
/ I would like to thank you most sincerely for…
（2） 抱怨：
I am writing to complain about the poor service at your dining-room.
/ I am writing to express my dissatisfaction with / at…
/ I wish to make a complaint about…
/ I am writing to draw your attention to….
/ I am afraid I have got a complaint about….
（3） 致歉：
I would be grateful if you would be so kind as to provide me with certain essential information regarding the following aspects.
/ I am writing to you because I am unable to….
/ I an terribly sorry that….
/ I would like to express my apologies for not being able to….
（4） 询问：