你好！主修商务英语的英文表达是 "majoring in business Engpsh"。
"Major" 是一个动词，意思是 "主修，专攻"，它来自拉丁语 "major"，意思是 "较大的，较重要的"。"Business" 是一个名词，意思是 "商业，商务"，它来自中古英语 "busines"，意思是 "贸易，商业"。"Engpsh" 是一个名词，意思是 "英语"，它来自古英语 "Engpsc"，意思是 "英国的"。
下面是一些例句：
I'm majoring in business Engpsh at university. (我在大学主修商务英语。)
She decided to major in business Engpsh because she wants to work in international trade. (她决定主修商务英语，因为她想从事国际贸易。)
He's been studying business Engpsh for several years and now he's fluent in it. (他已经学习商务英语几年了，现在他流利地掌握了它。)
希望这些信息对你有帮助！
"Major" 是一个动词，意思是 "主修，专攻"，它来自拉丁语 "major"，意思是 "较大的，较重要的"。"Business" 是一个名词，意思是 "商业，商务"，它来自中古英语 "busines"，意思是 "贸易，商业"。"Engpsh" 是一个名词，意思是 "英语"，它来自古英语 "Engpsc"，意思是 "英国的"。
下面是一些例句：
I'm majoring in business Engpsh at university. (我在大学主修商务英语。)
She decided to major in business Engpsh because she wants to work in international trade. (她决定主修商务英语，因为她想从事国际贸易。)
He's been studying business Engpsh for several years and now he's fluent in it. (他已经学习商务英语几年了，现在他流利地掌握了它。)
希望这些信息对你有帮助！