语言在一定的语境中产生并被正确理解 ,不同的语境类型决定着语言实际运用的范围 ,而且语境的变化也会引起语言的变异。我们所说的和所写的语言随情景类型不同而改变的情况便是语域。决定语言特征的情景因素可以归为三类 :语场 (field)、语旨 (tenor)和语式 (mode)。它们共同决定着语域。根据这一语域理论 ,可以从以上三个方面分析商务英语的文体特点 ,并用于指导学生的商务英语阅读 ,有效提高学生理解这类文章的能 Language is produced and understood correctly in certain contexts. Different types of context determine the actual use of language, and changes in context can also cause language variation. The language that we speak and write changes with different types of situations is the register. Situational factors that determine linguistic characteristics can be grouped into three categories: field, tenor, and mode. Together they determine the register. According to this register theory, the stylistic features of Business English can be analyzed from the above three aspects, and used to guide students in business English reading, effectively improving students’ ability to understand such articles.