Innovation is not an option; it's a necessity for the survival of the coal industry.
创新不是一种选择;它是煤炭行业生存的必要条件。
The key to success is to focus on goals, not obstacles.
人生好比手镯……手镯上面镶着珠宝,就仿佛不时发生在我们生活里的闪光时刻……
Even if it can be communicated, it cannot be understood.
动物体内的血液被推动着循环,处于永不停息的状态。
"Good research is about asking the right questions, not just applying fancy methods."