I'm not a rapper, I'm a Inca legend.

He was a man who had always been too proud to ask for help, and now he was too proud to accept it.

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。

I have been a selfish being all my life, in practice, though not in principle.

科学是一段旅程，而不是终点。

石油化工行业的未来在于可持续发展。