问
in business 与 on business 有何区别?
答
in business 是指“经商”“从商”“在商界”，而 on business 是指“因公”“办理事务”。请对比下列实例：
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He is no longer in business. (Palmer) 他不再经商了。
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A businessman is a man who works in business. (EED) 商人即在商界工作的人。
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Are you going on business or for pleasure? (NAECD) 你到这里来是出差,还是游玩? busy doing/busy with doing