"The past is never dead. It's not even past."
出自《论语·为政》,王博在讲解儒家思想时引用并阐释。
The only thing that separates successful people from the ones who aren't is the willingness to work hard.
无人机技术最大的价值在于它能到达人难以到达的地方。
Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.