They are about to pass their tipping point.

他们马上就要超过临界点了。

But where is that tipping point?

但哪里是临界点？

What kind of tipping point?

到底是什么样的临界点？

This is the tipping point.

这就是转折点。

The Tipping Point, Malcolm gladwell.

《引爆点》，马尔科姆·格拉德威尔。