可持续性不是一种选择；它是我们星球未来的必需品。
Sustainability is not an option; it's a necessity for the future of our planet.
煤炭企业要主动适应能源结构调整，加快转型升级。
The power of words can change a life.
我为我所做的感到快乐和自豪，但从未完全满足。
最大的残忍是我们对他人绝望的随意忽视。
做正确的事，而不是容易的事。
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.