研究学习的唯一有意义的方法是通过客观测量。
Innovation is not an option; it's a necessity for the survival of the coal industry.
A mathematician's work is never done; there are always new questions to explore and new mysteries to uncover.
"Every role I take is a piece of my soul I leave behind."
最重要的事莫过于享受你的人生,活得开心,这是最重要的。
可持续性不是一种选择,而是我们对下一代的责任。