I love people who make me laugh. I honestly think it's the thing I like most, to laugh. It cures a multitude of ills. It's probably the most important thing in a person.
可持续性不是一种趋势,而是我们共同的责任。
A good mathematician is always ready to generalize.
钢铁行业必须拥抱可持续性,才能在21世纪生存下去。