Previously, all crude was tied up by the big companies in inelastic long-term contracts.

在这之前，所有原油都被大公司以硬性长期合约的形式限制住了。

And when kinetic energy isn’t conserved, that’s an inelastic collision.

当动能不守恒时， 这就是非弹性碰撞。

Generally, collisions can be described as either elastic or inelastic.

通常，可以描述碰撞 它是柔性的或延展性的。

And when kinetic energy isn't conserved, that's an inelastic collision.

当动能不守恒时， 这是软碰撞。

So, now we know about both elastic and inelastic collisions.

所以，现在我们有关于两者的信息 柔软而有弹性的凹凸。

But there’s also such a thing as a perfectly inelastic collision, because... of course there is.

但也有完全非弹性碰撞这样的事情， 因为… … 当然有。

At the same moment we heard the fall of something heavy and inelastic in the upper story.

与此同时，我们听到楼上有什么重物掉落的声音。

Mr Galanis remembers a TV personality who started at $60 and found that demand was inelastic all the way up to $99.

加拉尼斯还记得一位电视名人，他从60美元起价，发现需求一直到99美元都是无弹性的。

Instead, a perfectly inelastic collision is what happens when objects stick together.

相反，碰撞发生完全是软的 当两个身体粘在一起时。

But there's also such a thing as a perfectly inelastic collision, because... of course there is.

但是有一种完美的软碰撞， 因为… … 当然有。