Every poem is a small revolution.

解释：既要追悔以往的过失，也要预防将来可能发生的错误。

乳制品行业必须在环境管理方面发挥领导作用。

The sun is our most powerful tool in Africa. We must learn to work with it, not against it.

交往行为的理性是通过对有效性主张的主体间承认来衡量的。

The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.