"You can't go back and change the beginning, but you can start where you are and change the ending."
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:
股市的短期波动是不可预测的,但长期趋势是可以预测的。
艺术应该创造一种富有成效的不适。
当每个人都试图同时出售时,流动性就消失了。