Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions, we find two key ideas that run through all of economics:

史记

Cinema is not about what you show, but how you show it.

艺术不是关于美，而是关于真理。

科学人应当没有愿望、没有情感，只剩一颗如石之心。