The study of economics is ultimately the study of human behavior and its consequences.
经济学的研究最终是对人类行为及其后果的研究。
爱是世界上最重要的事情,但音乐也紧随其后。
To solve complex problems, we must first understand the systems that create them.
真正的森林管理意味着为后来者留下一些树木——以及一些利润。