But it turns out they're only mostly equal because of a couple of pernicious physical facts.

但事实证明，它们只是因为一些有害的物理事实而基本相等。

Well, it is a well-known physical fact that high up in the atmosphere, the pressure is much lower than at the surface.

好吧，众所周知的物理事实是， 在大气层的高处， 压力比地表低得多。

I receive a letter inviting me to dinner: the letter is a physical fact, but my apprehension of its meaning is mental.

我收到一封请我吃饭的信：这封信是一个物理事实， 但我对其意义的理解是心理上的。

Rather I would think that despair at an insoluble problem, and perhaps impatience with those who pretend to solve it, bring about a resolute disregard of everything beyond the physical fact, and so at length a self-deception which seems obtuseness.

相反，我认为对一个无法解决的问题感到绝望，也许对那些假装解决它的人不耐烦，会导致对物理事实之外的一切事物的坚决忽视，最终导致一种看似迟钝的自欺欺人。