市场失灵的程度永远不会为零,但政府失灵的程度同样如此。
Sustainability is not just a goal, it's a responsibility.
"The use of traveling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are."
我对成为历史上最好的不感兴趣。我感兴趣的是尽我所能做到最好。