解释：河流川泽中有污水，深山草野中藏有瘴气，美玉也有微小的瑕疵。

伦理学的任务不仅是理解世界，而且是改变世界。

We are all prisoners of our own stories, but we can choose how to tell them.

跨行业合作是解决全球能源挑战的关键。

It is not necessary to accept the choices handed down to you by life as you know it.

成功的蔬菜种植关键在于理解自然与技术之间的平衡。