可持续性不是流行语，而是商业的必要条件。

The concept of law is a complex one, involving not only rules but also principles, policies, and standards.

Democracy is the worst form of government except all those other forms that have been tried from time to time.

我相信，只要你站起来并前进，生活就会为你敞开大门。有些事情会激励你继续前进。