go on business 和be away on business的区别.

go on business 和be away on business的区别. be away on official business和be on a business trip有什么区别 be on a business trip be or go away on official business是什么意思 go on business是什么意思? 英语翻译go on a business 是不是出差的意思啊 用Go on business 造句 go to sb on business 去美国出差是这个 go on a business trip to the USA go to the USA on business还是go on a business trip to America go to America for business快明天期中考求求求! be on a business trip是出差的意思 be on a vacation和 go on a vacation的区别, go on a vacation和be on a vacation的区别, My father---------(go ) to shanghai on business. 我只听讲过be on a diet 和go on a diet,那什么叫keep on a diet>? on duty和on business的用法是?他们前面一定要加be吗? she's had to go to chicago on a business trip中she后面为什么用is had to?去芝加哥开会表示将来,为什么要用be had to?这是什么时态啊?直接说she has to go to chicago on a business trip不行吗?注：出自《走遍美国》 l will go to japan on business a-------the middle of the month 翻译How often does Mr.Johnson go to London on business?''At least once a month.