钢铁行业必须适应未来的需求。

"The true prison is not made of walls, but of silenced tongues and censored thoughts."

The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.

关于MM定理最重要的事情不是它的现实性，而是它的简单性。