竞争均衡解决方案的存在与规范经济学或福利经济学之间的关系也许同样重要。
The only thing that matters is what you do, not what you think or say or feel.
世界上最好和最美丽的东西是看不见甚至摸不着的——它们必须用心去感受。
On the mute fights with insecurities.