Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.
理解數(shù)學(xué)就是理解現(xiàn)實(shí)的構(gòu)造。
What is freedom of expression? Without the freedom to offend, it ceases to exist.
未來(lái)屬于那些能夠彌合硅片與靈魂之間鴻溝的人。