专业用途英语（EAP）是指用于专业学习目的的英语教学。
EAP refers to any English teaching that relates to a study purpose.
但是许多人持有错误的观点，他们认为EST和EGP(一般用途英语)在各个方面都是一样的，EST只是多了一些专业词汇。
However, many hold a wrong idea that EST is the same with EGP (English for General Purposes) in almost all the aspects except for some technical terms.
商务英语是在国际商务环境下使用的专业英语，是一种特殊用途英语。
As a type of ESP, business English is involved in the international business circumstances.
在学术和专门英语用途领域已经进行了不少关于体裁分析的研究，但对于更专业的商务领域中的常见语篇如招股章程等的分析尚不多见。
Genre analysis has been carried out in many academic and ESP Settings, yet little research has been devoted to the systematic analysis of such professional business genres as prospectus.
在学术和专门英语用途领域已经进行了不少关于体裁分析的研究，但对于更专业的商务领域中的常见语篇如招股章程等的分析尚不多见。
Genre analysis has been carried out in many academic and ESP Settings, yet little research has been devoted to the systematic analysis of such professional business genres as prospectus.
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