Dear Sir or Madam,

尊敬的先生或女士：

I am writing to you to recommend one of my best friends, Zhou Botong, for this post.

我写信是为了推荐我最好的一个朋友周伯通申请这个职位。

With his outstanding leadership and cheerful personality,

由于他拥有杰出的领导能力和开朗的性格，

he was elected chairperson of the Student Union of Fudan University several times.

他层多次当选复旦大学学生会主席。

Busy as he was,he completed his major, teenage psychology,

尽管他很忙，但他完成了自己的专业—青少年心理学，

with an outstanding school record.

并且成绩优异。

Upon graduation he was assigned to be a teacher in Fudan Middle School.

毕业之后，他被分配到复旦中学当老师。

What's more,he loves his job and enjoys working with children.

此外，他热爱自己的职业并喜欢和孩子们在一起工作。

This has won him great popularity among his students.

这使他深受学生欢迎。

Therefore, I do not hesitate to recommend him as an ideal candidate for the post you advertised.

因此，我毫不犹豫地推荐他作为您所招聘职位的理想候选人。

I am sure you will make a wise decision in hiring him.

我确信您将作出雇用他的明智选择。

Yours truly, Li Ming

您真挚的，李明