Correct or improve the translation of the following Chinese sent

Correct or improve the translation of the following Chinese sentences.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.
【正确答案】：

AS NONE OF US KNOWS WHETHER THIS TRAIN STOPS AT ALL STATIONS, WE SHOULD MAKE IT CLEAR BEFOREHAND.

【题目解析】：本题考查对名词“这事”的指代含义的正确理解与翻译。分析语境，此处“这事”指的是“这列火车是否每站都停”，而这并不属于problem“问题、困难”的范畴，故翻译为this problem不合适，直接使用代词it指代即可。make it clear是较为通俗的表达，意为“弄清楚、说明白”。