Yet, in a simpler sense, it’s not so unrealistic, because even if it will happen more gradually than laid out here, we will indeed run out of oil.

但简单来说，它也不是不真实的，因为虽然它会渐渐地发生而不是一次性到位，我们最终还是会用尽石油。

youdao

This doesn't happen overnight. It asks a faithful practice. But when we spend a few moments every day just being with God, our endless distractions will gradually disappear.

这不是一夜之间就能完成的事。而是需要一种信仰的实践。但是当我们每天花费片刻与天主在一起，我们受到的那种无尽的干扰就会逐渐消失。

youdao

"Because it's happening so quickly, they haven't had time to adapt and change, if you imagine a climate changing over hundreds of thousands of years, bears and other animals would gradually move into other habitats,but because this is going to happen over decades, it will be too fast for them to adapt and look for other food sources,"

VOA: standard.2009.12.13

There's a consensus among economists and market-watchers in the U.K. that prices need to come down, but most believe it will happen gradually, rather than in a disastrous crash.

BBC: More