The greatest use of life is to spend it for something that will outlast it.
在一个国家中,一个公民的自由是对另一个公民自由的威胁。
The future of medicine will be shaped by our understanding of genetics.
模糊集的概念为构建一个在许多方面与普通集框架平行的概念框架提供了一个方便的出发点。