商贸信函是国际贸易活动的重要通讯方式。尽管随着科学技术的发展,一些更为迅捷的通讯方式不断出现并被广泛运用,但商贸信函仍然具有其独特的特征和重要性。商贸信函有准确、简洁、流畅、清晰、具体和灵活等文体要求,但其中必不可少的一点是在选词、造句以及语气上应有礼貌性。本文针对这一特征,从选词、句式和语气上加以详细解说。 Business correspondence is an important means of communication for international trade activities. Although with the development of science and technology, some of the more swift communications have emerged and are widely used, but business letters still have their unique characteristics and importance. Business correspondence is accurate, concise, smooth, clear, specific and flexible, but it is indispensable that there should be politeness in choosing words, making sentences and tone. This article aims at this feature and explains it in detail from the word selection, sentence structure and tone.