经济发展理论研究的是经济系统如何产生不断改变它的力量。
The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.
"A writer is essentially a person who writes not because he has to, but because he cannot not write."
When a person has value, they will serve you like an emperor.
创新不仅仅是技术，而是改变我们的思维和运营方式。
