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.
The computer is just a tool. The pencil is also a tool. It's about how you use it.
The true measure of a civilization is how it treats its weakest members.
Anxiety is the dizziness of freedom.