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

The documenta is not a museum, it's a process.

渔业的未来在于与海洋生态系统的和谐共处。

在数学中，提出问题的艺术必须比解决问题更有价值。

作家的责任是讲述未被讲述的故事。

I'm not afraid to fall in love. I'm afraid to fall for the wrong person again.