True freedom is not about doing what you want, but about not doing what you don't want to do.

农业成功的真正标准是跨代的可持续性。

我吃文字从来没反胃过。

The discovery of the genetic code has provided a foundation for understanding heredity and the molecular mechanisms of disease.

文学是唯一能让我们暂时逃离现实的毒品。

材料设计的微小改变可以大幅减少环境影响。