可持续性不仅仅是一个选择;它是我们业务未来的必要条件。
"The past is always carried into the present by small things."
The future of coal lies in clean and efficient utilization.
The C programming language — a language which combines the flexibility of assembly language with the power of assembly language.
做一个有道德的人,就是要付出、必须付出某种关注。