Unit 12介绍信
　　社交、亲友这间的相互介绍，常用介绍信联系。收信人从介绍信中可以了解到来者是什么人，要办什么事，有什么具体要求等。
　　 写这类书要注意慎重、谦恭。在信封左下角常写有To introduce ……或Introducing……,信封一般不封。
　　1. 介绍中学同学 Introducing a middle school classmate
　　Dear [Mr. Chang].
　　 The bearer, [Ms Huan], is a classmate of mine at middle school, who has recently been assigned to work in your city. [She] is well educated, having good habits and agreeable manners. Any assistance you may give [her] concerning [her] life will be esteemed as a great favor for me.
　　Yours truly,
　　亲爱的[常先生]：
　　 持信人[黄女士]是我的一位中学同学，最近[她]被派往你市工作。[她]受过良好的教育，没有不良的习惯，举止端庄。您对[她]生活上的任何帮助，将使我感同身受。
　　 2. 介绍本人 Self-introduction
　　Dear [Sirs],
　　 From your advertisement in [yesterday’s USA Today] I find that you are wanting a [Chinese teacher] in your college. I beg leave to take the liberty of offering myself for the position.
　　 Born in [Beijing] in [1970], I am a graduate of [Beijing University], and therefore have a good knowledge both in Chinese and English.
　　 Should my application be regarded favorably, I shall endeavor to justify the confidence you may repose in me.
　　Faithfully yours,
　　亲爱的[先生们]：
　　 [昨天《今日美国报》]载你院需[汉语教员]。我申请任此职务。
　　 我[1970年]出生于[北京]，毕业于[北京大学]，汉语和英语均有所长。
　　 如蒙录用，自当竭诚服务，以答雅意。
　　 此致
　　敬礼！
　　 3. 去具体单位的介绍信 Letter of introduction with a known unit
　　 China travel Service
　　[April 15, 1993]
　　Bureau of Travel and Tourism
　　 Administration
　　Gentleman in Charge,
　　 The bearer of this letter is [Mr. Zhang Wen], who is entrusted with task of making the necessary arrangements with you for our going to your Bureau to attend the report on [Current affairs].
　　 Please favor [him] with an interview.
　　 兹介绍[张文先生]前往你处联系有关我们去你局听[形势报告]的事宜，请予接洽为荷。
　　 此致
　　旅行游览事业局
　　中国旅行社
　　 4. 去不明具体单位的介绍信 Letter of introduction without a know unit
　　[Beijing] University
　　[Oct. 9. 2004]
　　To whom it may concern,
　　 This is to introduce Mr [Hu Qang] and [Zhao Wei-guo] who are to make an investigation of [Lie Ping’s] family condition on our instructions. We should esteem it a great favor if you would afford [them] the necessary information. With high respect.
　　兹介绍[胡强]和[赵卫国]二位先生前往你处了解有关[刘萍]的家庭情况，请予接洽为荷。
　　 此致
　　敬礼！