Our needs come with natural limits.

我们的需求有自然的限制。

I mean, those are kind of natural limits to the path of success that they could follow.

我的意思是， 这些是他们可以遵循的成功之路的自然限制。

One is that, he said, this kind of phenomenon, which is called a carrying capacity — means that only so much can be produced because of these natural limits — could be stretched like taffy to cover the entire world.

他说，其中之一是，这种被称为承载能力的现象——意味着由于这些自然限制， 只能生产这么多——可以像太妃糖一样伸展到覆盖整个世界。