经济学最终是为了改善人类福祉。

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

永远做你自己，展现自己，相信自己，不要去模仿别人的成功特质。

The best businesses solve real problems. Find a need and fill it.

我不想性感，我想成为标志。