Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.

"The future is about creating opportunities for all."

我认为诗歌不仅仅基于诗歌本身，而是基于彻底经历的生活。

追求知识不仅仅是寻找答案，更是提出正确的问题。

真正的强大在于承认自己的软弱。