事实上，我们上节课提到过，当时很多的哲人都提出万有引力是晦涩难懂的，即便是机械论的因果关系也是非常难理解的。

So, in fact, not only is gravity unintelligible as we saw last time many philosophers at the time wanted to say, actually even mechanical causation is pretty unintelligible too.

youdao

事实上，我们上节课提到过，当时很多的哲人都提出万有引力是晦涩难懂的，即便是机械论的因果关系也是非常难理解的。

So, in fact, not only is gravity unintelligible as we saw last time many philosophers at the time wanted to say, actually even mechanical causation is pretty unintelligible too.

youdao