Understanding this cycle is important, not only because it sustains life on Earth, but also because it is bound up with the rate of global warming.

理解这种循环很重要，不仅因为碳循环维持地球上的生命，而且因为它对于全球变暖的速度有密切关系。

Fairness sustains faith in the system.

公平能够保持人们对这个体系的信任。

So thought not only sustains pleasure.

所以说，思想不只是维持快乐。

The Lord sustains the humble but casts the wicked to the ground.

耶和华扶持谦卑人，将恶人倾覆于地。

I lie down and sleep; I wake again, because the Lord sustains me.

我躺下睡觉。我醒着。