创新不仅仅是关于新想法，而是让它们发挥作用。

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:

译文：人活着时想尽千方百计追求名利，一旦哪天死去万事都终结了。赏析：我们追求名利没有错，但不要把它看得太重。人生短短的几十年，活着本来就不容易，为了一点名利争个你死我活，到头来终是一场空。