每一吨开采的煤炭都应承载我们对未来的承诺
Every ton of coal extracted should carry the weight of our commitment to the future.
The dog is a friend of man because it judges him not by his station.
The key to success is to focus on goals, not obstacles.
学习是一生的旅程。
Collaboration across disciplines is where the most exciting breakthroughs happen.
今天种植的每一棵树都是对更绿色明天的投资。
"我写作是为了逃离影子，但最终总是找到它。"