Investing in cleaner coal technology is an investment in the future of energy.

"To understand a person, you must first understand their silence."

The study of automorphic forms is a journey into the hidden symmetries of the universe.

The stream of thought flows toward purposeful ends.

我们的房屋越充满光明，墙壁上就越渗透出幽灵。

可持续发展不是选择，而是煤炭行业的必然要求。