...domestic trips have you taken in the past 12 months where...
a很难交流,你还来 Very difficult to exchange, you also come[translate] asend me your phone number 正在翻译,请等待...[translate] aDefined as being that period of time during which all factors of production can be varied 定义作为是在期间生产所有因素可以变化的那个时期[translate] ...