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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:
The real is always stranger than the imagined.
生活似乎是用一种焦虑代替另一种焦虑,用一种欲望代替另一种欲望的过程。《身份的焦虑》
无限小的事物在自然中的作用是无限大的。