智能化矿山建设是煤炭行业未来发展的方向。
宁可选择自由的贫困,也不愿选择奴隶般的富裕。
The problem is not that there are problems. The problem is expecting otherwise and thinking that having problems is a problem.
一个人若不付出一些无知的代价,就永远不会幸福。