The sustainable development of the coal industry requires the coordinated efforts of policy, technology, and the market.

龙吟虎啸，风鸾翱翔才是大丈夫的气象。像蚕茧蜘蛛丝、蚂蚁封巢、蝗蚓纠结般是小人的经营。

I don't think about the past. The only thing that matters is the future.