Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.
生活中重要的不是你遭遇了什么，而是你記住了什么以及如何記住它。
The energy transition won't happen overnight, but we must be ready to lead through it.
Sustainability isn’t a trend; it’s a responsibility we owe to future generations.
I don't really think about age. I think people are as old as they feel and act.