书信是应用文中的一种基本文体。它不仅是个人与个人之间进行感情联络的纽带,也是个人与组织、团体,单位与单位之间沟通、联系的桥梁。尤其是在商品经济高度发达的今天,书信还是现代商家纵横商海不可缺少的工具。这些在商务活动中使用的书信,我们称之为商务书信,简称商函。商函是经济贸易活动中贸易双方互相沟通信息,建立关系,联系业务,洽谈交易,交涉索赔,处理问题的一种应用文体。随着电 Correspondence is a basic style of application. It is not only a link between individuals and individuals for emotional contact, but also a bridge between individuals and organizations, groups, units and units. Especially in today’s highly developed commodity economy, epistles are indispensable tools for modern and commercial enterprises. These letters used in business activities, we call business correspondence, referred to as business letters. Business letter is an application style that trade parties exchange information, establish relations, contact business, negotiate transactions, make claims and deal with problems in economic and trade activities. With electricity