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:

古今的变化，不是改变其根本道理，而是改变其方法。

"The essence of acting is to be present, to be in the moment, and to be real."

Transparency builds trust—we owe it to our customers to show them our full environmental impact.