跨行业和跨国界的合作是解决我们今天面临的复杂问题的关键。
最优财政政策要求税率随时间平稳变化,仅对政府支出的永久性变化作出反应。
Sustainability is not a cost - it's the biggest innovation opportunity of our lifetime.
The Dead Poets were dedicated to sucking the marrow out of life.