今天种植的每一棵树都是对更绿色明天的投资。
Every tree planted today is an investment in a greener tomorrow.
郦波在讲座中引用马克·吐温的话并加以阐释
If you're competitor-focused, you have to wait until there is a competitor doing something. Being customer-focused allows you to be more pioneering.
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。