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:

创新是解决世界最紧迫问题的关键。

The challenge in computer science is not just to solve problems, but to find the right problems to solve.

I'm not a businessman, I'm a business, man.

找出人们喜欢读什么样的书的唯一方法就是出版书籍，看看会发生什么。

绘画是用双手祈祷。