创新是煤炭行业未来的关键，我们必须拥抱新技术和新理念。
The divine right of husbands, like the divine right of kings, may, it is hoped, in this enlightened age, be contested without danger.
可持续性已不再是选择，而是我们对后代的责任。
A good mystery should keep the reader guessing until the very end, but the clues must all be there.
