on a business trip 中business什么词性

on a business trip 中business什么词性 be on a business trip be away on official business和be on a business trip有什么区别 on business trip 是什么意思 business trip ----- I’ll be away on a business trip. Would you be on a business trip是出差的意思 He often goes on business trip.是什么意思 she's had to go to chicago on a business trip中she后面为什么用is ha on business on business用什么提问 A business man on a fishing trip is probably someone who___