每一本书都是通往另一个世界的门，每一个读者都是旅行者。

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

预测未来的最好方法就是创造未来。

The meat processing industry has a responsibility to balance efficiency with ethical practices.

阿拉伯文学的美在于它能够将历史与想象编织在一起。

The poor have no choice but to be honest. The rich can afford to be dishonest.