涉外商务英语信函用语特征分析
涉外商务英语信函在跨境贸易中起着很重要的作用。而在商务信函中，词汇又是影响交际效果的一个主要方面。本文旨在研究商务英语信函的用词特征，并通过分析概括收集到的材料，做一个概括性的论述。通过对比对外贸易交际中所使用的与日常信件的不同，试着给商务英语学习者与商务活动从业者一些帮助性的意见和建议。关于商务英语信函的用词特点的研究，众多学者和研究人员从不同的角度有了深入研究,如词汇含义、功能、准确性等。依据韩礼德提出的语言三大元功能,商务英语信函主要实现人际功能,具有丰富的人际意义；山东师范大学教授胡艳玲认为在商务信函、商务合同中，商务英语语言应具有专业性、准确性、礼貌得体和简短精悍等特点。在快节奏的现代商务活动中，写作商务信函最直接的目的就是进行有效的沟通和交流。优秀的商务信函在我们发展同客户的关系以及达成新的业务方面起着积极的促进作用。本文撰写过程中采取的方法和手段包括文献资料法、人物采访法、经验总结法、比较研究法、举例说明法。
关键词：用词特点  语场  语旨  语式  应用

Abstract (in English) ii
摘要  iii
Introduction.1
Chapter 1 The Lexical Features from the Perspective of Field2
1.1 The Technical Terms (Abbreviation or Abbreviated Forms) 2
1.2 The Borrowed Words (The Foreign Words) .3
1.3 The Idiomatic Phrases  4
Chapter 2 The Lexical Features from the Perspective of Tenor  .5
2.1 The Courtesy Principles 5
2.2 You Attitude or We Attitude .6
2.3 The Vague Language  .7
2.4 The Model Verbs  8
Chapter 3 The Lexical Features from the Perspective of Mode .9
3.1 The Use of Archaism  .9    
3.2 The Use of Big Words  9
3.3 The Antonyms and Synonyms  .10
Chapter 4 The Lexical Features from the Perspective of Application .11
4.1 The Clear and Refined Language 11
4.2 The Formal and Specific Language 12
4.3 Use the Languages Accurately 13

With the rapid development and growth of the society and the economy, the language has been changed as these changes. Especially faced the constantly changing business market that has been pushed by the global economic waves, as one type of communication in language and the major pattern in business activity, the business English letters has got the chances to change and perfect. In recent years, China has made efforts to catch the historic opportunity to develop E-Commerce and hope to make a new world trade rules in the countries and areas along the lines of One Belt and One Road. In 2015, China’s State Council published a series of documents to encourage the E-Commerce with the help of governments, which was expected to link the One Belt and One Road in the new era.
   The business letters writing plays a more and more significant role in the International trades for it is not only the indispensable method to ensure the business cooperation proceeding successfully, but also the important carrier that deliver the trade information. Therefore, to a certain extent, the business letters’ qualities influence the success or the failure of the trade and the long-term cooperation and exchange, which has been the common view in the business circle. What mostly impacts the letters’ qualities is the words and phrases because different usages of words may express different ideas and purposes as well as show the different features of every business section. How to make the most advantage of business letters’ is the hot spot in the circles made up by commerce personnel and learners. Because English has been one of the popular languages in the trade, the thesis focus on analyzing relative materials and drawing a conclusion of lexical features of business English letters based on the scholarly traditions and former researches.

Chapter 1  The Lexical Features from the Perspective of Field
Business English letters is the variant of English, and has its specific field, tenor mode and application. Language field means the topic or the range of language contacts, indicating the business both sides are negotiating. In the world trade, business letters’ field involve the whole process of foreign trade business that includes building business relations, investigating credit information, inquiry, offer, ordering goods, type of payment, shipment, insurance, claim, settlement of claims, arbitration,  or the relevant invoices, treaty and contract. Business letters’ field feature decides its professional lexical usage that expresses the technical terms, the foreign words and the idiomatic phrases.
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