So necessity leads to motivation, but what causes necessity?

所以必然性导致动力，导致必然性？

Necessity arises from your understanding of the world.

必然性源于你对世界的理解。

So your understanding of the world leads to necessity which leads to motivation.

所以你对世界的理解导致了必然性，必然性又导致了动力。

This is sometimes called Ejaculatory Inevitability.

这有被称为 射精的必然性。

And the cause of infinite motivation is necessity.

而无限动力的起因是必然性。

Not necessarily so, says Mr Feldman.Both sides have too much to lose.

福尔德曼认为，这并没有必然性，因为攸关双方利益。

Arguments about the inevitability of historical developments, or their precise causes, often become circular.

关于历史发展的必然性或其确切原因的争论往往会变成循环论证。

I was brought face to face with Necessity.

我被带到面对面的必然性。

It wasn't scientific discovery, it wasn't even necessity.

这不是科学发现，甚至不是必然性。

It had a sort of grim inevitability about it, I would say.

我会说， 它有一种可怕的必然性。

And I knew, with a weary inevitability, what was going to happen.

我知道，带着疲倦的必然性，会发生。

That's certainly a possibility, almost an inevitability.

这当然是一种可能性， 几乎是一种必然性。

As king said, change will not roll in on the wheels of inevitability.

正如所说， 变化不会随着必然性的车轮滚滚而来。

You know, you talk about this idea of inevitability politics, and eternity politics.

你知道，你谈到了这种必然性政治和永恒政治的想法。

The listeners, too, were left contemplating the importance of connection, love, and the inevitability of change.

听众也开始思考联系、爱和改变的必然性的重要性。

Part four: using 'must' to talk about logical necessity.

第四部分：用“必须” 谈逻辑必然性。

And because Roko's basilisk doesn't exist yet to a point where this inevitability could be established.

而且因为洛科的蛇怪还没有存在到可以确定这种必然性的程度。

And I want to address those two issues, the issues of morality and inevitability, from the very start.

我想从一开始就解决道德和必然性这两个问题。

Women in the same way acquire, from a supposed necessity, an equally artificial mode of behaviour.

妇女以同样的方式从假定的必然性中获得了一种同样为的行为方式。

Now, talking about modal verbs, we use modal verbs when we're talking about necessity or the probability of something.

现在，谈论情态动词，当我们谈论某事的必然性或可能性，我们使用情态动词。