Heading信头：发信人地址，电话，Email等联系方式。
Inside Addresss信内地址。收信人姓名，头衔，公司名称，地址。
Salution称呼。信内地址下面，空两行。
Body of Letter 正文
Complimentary Close结束语。正文下面两行，从信纸中间写起。
Signature签名
Enclosure附件(简历或证明材料)
具体格式见下面的示例：
(Your telephone number)
(Your address)
The Advertiser
(His Address)
(Date)
Dear Sir:
Re: APPLICATION FOR (THE POST)
-------------------------------------------
....................( Beginning of the letter)
.....................................(Introducing yourself)
.....................................(About your personal ability)
....................(About the enclosure and other)
....................(Ending)
Yours faithfully
