维基百科的解释：Business English is English language especially related to international trade。如果你就写商务英语这论文范畴好像太大了吧，如果只是把这概念穿插在论文中还行，呵。扩张说明的定义：Business English is English language especially related to international trade. It is a part of English for Specific Purposes and can be considered a specialism within English languag
