随着加入世贸组织之后贸易环境的变化,中国进入了一个更复杂的国际经济环境。激烈的竞争要求公司职员在更多的场合使用英语。在商务往来中,商务英语信函扮演着重要角色,它是增进理解和扩大贸易的重要手段。本文主要论述影响商务英语信函写作的一些关键因素。第一部分从商务英语信函的格式和结构来阐述;第二部分主要是根据情景交流适用原则来分析,其中包括:礼貌原则,清晰原则,简洁原则等。 With the changes in the trade environment after its accession to the WTO, China has entered a more complicated international economic environment. Fierce competition requires company staff to use English in more situations. In business dealings, business English letters play an important role in promoting understanding and expanding trade. This article mainly discusses some of the key factors affecting the writing of business English letters. The first part elaborates from the format and structure of business English letters. The second part is mainly based on the principle of application of situational communication, including politeness principle, clear principle and concise principle.