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

Love is the ultimate act of defiance against the chaos of the world.

生命注满了爱，犹如酒杯斟满了酒。

The dog is called Sandy. I like Sandy. He is not clever but he is very cheerful.

"I believe in the power of imagination to transform the world."

可持续性不仅仅是一个流行词；它是我们运营的基本组成部分。