提起介绍信,现在的年轻人可能知道的不多,因为除了政府机关还偶有使用外,其他行业已鲜见其踪迹。介绍信是用来介绍联系接洽事宜的一种应用文体,通过它可以让对方了解持有者的身份和目的,以便得到对方的信任和支持。自新中国成立至改革开放前期,它一直是个人出差旅行、单位外调、购买特殊物品等等的唯一合法凭证。其材质有铅印的,也有油印的,还有临时用手写的。但是就是这样一张看似简单、类似公文的纸张,在 With a letter of introduction, young people nowadays may not know much because there are few trades in other industries besides the occasional use of government agencies. A letter of introduction is an application style used to introduce contact and contact, through which you can let each other know the identity and purpose of the holder in order to gain the trust and support of each other. Since the founding of new China to the early stage of reform and opening up, it has been the only legal voucher for personal business trips, expatriation of units, purchase of special items, etc. The material is printed lead, but also mimeographed, there are temporary handwritten. But it is such a seemingly simple, document-like paper, at