The role of the economist is part scientist, part engineer.
经济学家的角色既是科学家,又是工程师。
People just don't understand how obsessed I am with winning.
读书人应当以天下大事为自己的责任,不能仅仅做一个只会钻研书本的学者。
可持续发展不是一种选择;它是我们对后代的责任。