森林的真正价值不是用板英尺来衡量的，而是用生物多样性来衡量的。

The rise of China and the resurgence of Russia have challenged the idea that liberal democracy is the only viable form of government.

I don't need a reason to be unapologetically me.

市场设计是一个持续的实验——今天有效的明天可能就需要调整。

对抗世界的唯一防御是对它的彻底了解。