每场比赛对我来说都是一次新的挑战。
That is what learning is. You suddenly understand something you've understood all your life, but in a new way.
Technological innovation is the fundamental way to solve the problems of the coal industry.
天地有万古岁月，可人死了就不会再复活；人寿命最多百年，一天很容易就会过去了。
可持续性不是一种选择；它是我们对下一代的责任。