Orson

Orson

首頁封存

Principles of economics

cover

chapter1 Ten principles of economics

Scarcity: the limited nature of society’s resources Economics: the study of how society manages its scarce resources PRINCIPLE 1…
Principles of economics
此部落格數據所有權由區塊鏈加密技術和智能合約保障僅歸創作者所有。