The goal of economics is to understand how to allocate scarce resources in the most efficient way possible.

有时候，当我画画时，我感觉自己仿佛置身于一个梦境般的世界，在那里任何事情都可能发生。

They had said that the city was a paradise, but I found it a hell.

死者既已安葬,活着的人就不要长久地哭泣,而应该尽快做事,每个人都做自己能做的事,并用来使大家互利。

The study of psychology is a journey into the depths of the human experience.