There are different ways to dial down your dependance through centrality.

有几种不同的方法来降低你在中心性这一上的依赖。

So the US government set rules for automakers to start making cars more fuel efficient to lessen our dependance on the whims of the global oil market.

，美政车制造商制定了规则，要求他们开始生产更省油的车，以减少我们对全球石油市场变幻无常的依赖。