可持续性不仅仅是一个流行词;它是我们对后代的责任。
Sustainability is not just a buzzword; it's a responsibility we owe to future generations.
A good world needs knowledge, kindliness, and courage; it does not need a regretful hankering after the past or a fettering of the free intelligence by the words uttered long ago by ignorant men.
If you want to understand a system, try changing it.