We do need exponential change, David.

我们确实需要指数级的变化，大卫。

I know how much we struggle to comprehendand predict what " exponential change" means.

我知道我们很难理解和预测“指数级变化”的含义。

Exponential change can bring turmoil if the decline of old industries is not managed.

如果旧产业的衰落得不到控制，指数级的变化可能会带来动荡。

I mean, you've got lots of progress, but we need exponential change, as you said.

我的意思是，你已经取得了很多进展，但正如你所说，我们需要指数级的变化。