1. To explain where the applicant has got the information about the vacancy. For example, he can learn it from his friends, or in the advertisement, or in some papers, or he just wants to try his luck.
　　SAMPLE: Having noticed the enclosed advertisement in this morning's South China Daily, I wish to apply for the position of sale's manager.
　　2. To Present personal information. This part should be a description of the applicants age, sex, education, working experience and specialty. It is in this section that the applicant presents his advantages or qualifications for the position. Details are encouraged, but the applicant should bear it in mind that exaggration or false descriptions are not allowed in the letter.
　　SAMPLE: I am 21 years of age. After graduating from high school, I took a two-year business course in Foshan Commercial School, studying both bookkeeping and typewriting. I now wish to enter an office where the work requires great individual responsibility and judgment, and where there is an opportunity for achievements.
　　3. To claim your referees（推荐人）.The applicant is well advised to enclose in the letter the names as well as the addresses of two or three referees after he has got their permission. Referees are of great importance for obtaining a job, for they are the best and most persuasive support for the condidate's potential, merits and strength.
　　SAMPLE: I have obtained permission to give the names of the following persons as references: Professor Song Xieli, Director, English Department, Haitai University; Mr. Wang Qing, Manager, Human Resource Department, Chinese Import &Export Corporation.
　　4. To inquire the chance of an interview.
　　SAMPLE: I should welcome a personal interview at your convenience.

参考译文：
1、说明申请者从哪里获得此职位的信息，例如，从他的朋友、广告、报纸，或者是求职者知识尝试运气。
例子：在今天南方日报的报纸上看到的，我希望申请销售经理的职位。
2、提到个人信息。这部分应该描述申请人的年龄、性别、教育、工作经历以及专长。在这部分，申请人提出自己的优势以及适合这个职位的能力。也应该加入一些细节，但是记住避免夸大或者在信里描述一些虚假的信息。
例子：我21岁。高中毕业，参加两年的佛山商业学校学习课程，即学习记账又学打字。现在我希望进入办公室，工作要求很高的个人能力以及判断力，在那里可以有机会取得成功。
3、写上你的推荐人。申请人最好在信的末尾写上名字，以及获得准许之后，2到3个推荐人的地址。推荐人对能否获得这项工作起到很大的作用，因为它们是申请人潜能、优点、实力最好的支持者。
4、要求面试的机会。
例子：如果您方便请给我一次面试的机会。