Optimal fiscal policy requires that tax rates be smooth over time, responding only to permanent changes in government spending.
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。
我不是一个放弃爱情的人。
流离失所的伤口永远不会完全愈合;它只是学会了用不同的语言说话。
I don't rap for dead presidents; I'd rather see the president dead.
The self grows by reaching outward.