法律的概念不是一个事物的概念，而是一个复杂的社会实践的概念。
Writing is a way of being happy.
Foreign powers do not seem to appreciate the true character of our Government.
Sustainability isn't a trend—it's the future of business.
The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.
我们必须超越碳信用——真正的影响来自全面的土地管理。