So necessity leads to motivation, but what causes necessity?

所以导致动，但什么导致？

Necessity arises from your understanding of the world.

源于你对的理解。

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

所以你对的理解导致了，又导致了动。

This is sometimes called Ejaculatory Inevitability.

这有时被称为 射精的。

And the cause of infinite motivation is necessity.

而无限动的起因是。

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

但福尔德曼认为，这并没有，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。

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

这不是科学发现，甚至不是。

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

我会说， 它有一种可怕的。

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

我知道，带着疲倦的，会发生什么。

That's certainly a possibility, almost an inevitability.

这当是一种可能， 几乎是一种。

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

正如金所说， 变化不会随着的车轮滚滚而来。

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、爱和改变的的重要。

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

第四部分：用“须” 谈逻辑。

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，当我们谈论某事的或可能时，我们使用情态动词。