我开始认识到自然界是如何攻克这个难题的。

I began to see how nature beat this problem.

youdao

过去几年里，人们普遍意识到自然界与各种形式的生命间有某种平衡存在。

During the last few years, man has generally realized that in nature a kind of balance exists among all forms of life.

youdao

过去几年中，人们意识到自然界中所有的生物之间存在着微妙的平衡。(同位语从句)。

During the last few years men have become aware of the fact that in the nature a most delicate balance exists between all beings.

youdao

If we defined food differently: that it's something that nurtures the body, something found in nature, something that doesn't harm the environment-- there are a number of criteria one can apply to define a food-- then we might come up with a different definition than this, but this is the way the nutrition field generally looks at it.

如果我们给出不同的定义,滋养身体的物质,在自然界找到的物质,不会威胁到身体的物质,有很多标准可以拿出来定义食物,我们也许可以就此重新进行定义,但这就是营养学看待食物的方式

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选