Happiness is holding someone in your arms and knowing you hold the whole world.

这是最好的时代，这是最坏的时代。

可持续性不是一种选择，而是唯一的前进道路。

The future of coal lies not in its quantity but in how cleanly and efficiently we can use it.

Losses make you studious, not profits.

森林不仅仅是树木的集合，而是一个维持生命的活生态系统。