True success comes when your work makes a positive difference in people's lives.
想要画成方形或圆形就要遵循圆规和矩尺的法则,那么万事的功效就能显现出来。
The effects of immigration are often localized and context-specific.
理解经济周期的关键在于认识到它们是对实际冲击的均衡反应。