煤炭行业的可持续发展需要政策、技术、市场协同发力。
The sustainable development of the coal industry requires the coordinated efforts of policy, technology, and the market.
If we men married the women we deserved, we should have a very bad time of it.
生命短暂，务必珍惜当下，这是亘古不变的真理。
其实世事并无好坏，全看你们如何去想。
The essence of computer science is the study of algorithms and their efficiency.