原文:大家都不知道这列火车是否每站都停,这事我们应该提前弄清楚。译文: As none of us knows whether

原文:大家都不知道这列火车是否每站都停,这事我们应该提前弄清楚。译文: As none of us knows whether this train stops at all stations, we should make this problem clear beforehand.改译:
【正确答案】：We should make clear whether this train stops at all stations beforehand as none of us knows.