本文从跨学科的角度,探讨了研究商务英语应该把定性研究和定量研究相结合,以语用学、修辞学、ESP、系统功能语言学、翻译学等语言学理论为基础;同时也必须要结合经济学、管理学、国际贸易、计算机等其它学科研究方法进行跨学科的研究。 This thesis, from an interdisciplinary perspective, explores that the study of business English should combine qualitative research with quantitative research based on the theories of linguistics such as pragmatics, rhetoric, ESP, system functional linguistics, and translatology; at the same time, Combined with economics, management, international trade, computer and other disciplinary research methods for interdisciplinary research.