在一切事情中,创造系统是必要的。
我们不能忽视煤炭的经济作用,但也不能忽视其环境影响。
"Books are the plane, and the train, and the road. They are the destination, and the journey. They are home."
Efficiency in extraction is meaningless if we don't consider the long-term impact.
幸福的家庭都是相似的,不幸的家庭各有各的不幸。