so you know that you can move forward with whatever you're doing.

所以你就可以知道你是否能继续进行你所做的事情了。

Make sure 课堂 - SpeakingMax英语口语达人

That's all he had to work with But, science doesn't always move forward.

那就是他的研究,但是，科学并不是一直前进的。

麻省理工公开课 - 固态化学导论课程节选