I can never know what a man sees.

我怎么也想像不出，男人？

youdao

Man can never know the ultimate verities.

人类是永远不会知道终极真理的。

youdao

One can never know what will happen tomorrow.

一个人永远不会知道明天将会发生什么事。

youdao

We don't really know and she never really can say.

我们无从知晓,而且她也无法回答。

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So if we say that l is just talking about our kinetic energy part, our rotational kinetic energy, and we know that electrons have potential energy, then it makes sense that l, in fact, can never go higher than n.

如果我们说，l仅仅是,描述动能项，我们的旋转动能，我们知道，电子有势能，所以可以理解，l不能比n高。

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We can never know, but even if it was one that is too many.

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