可持续性不是一种趋势,而是我们对后代的责任。
The sustainable development of the coal industry requires the coordinated efforts of policy, technology, and the market.
The value of a mental process lies not in its composition, but in its consequences for survival and flourishing.
"Travel is fatal to prejudice, bigotry, and narrow-mindedness."
We look at the world once, in childhood. The rest is memory.