动力学的方程在用变分法的语言表达时是完全的。

Success in the aggregates industry is not just about moving rocks; it's about moving the economy forward.

The only constant is change, continuing change, inevitable change, that is the dominant factor in society today. No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.

多样性不仅仅是一个需要努力达到的指标，它是企业成功不可或缺的一部分。

The best stories don't come from good vs. evil but from good vs. good.

写作是一种不被中断的谈话方式。