The best time to plant a tree was 20 years ago; the second-best time is now.
创新不是一种选择;它是煤炭行业生存的必要条件。
Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.
勇敢不是没有恐惧。勇敢是虽有恐惧,但能找到克服它的方法。