We have a system, which you say it really-- The progressive tax system is very important but it's not conceptualized right.

我们有个制度，你们都觉得-,累进税制非常重要,但它被错误的概念化了。

耶鲁公开课 - 金融市场课程节选

You have a progressive tax system that takes more money from the wealthier people and you have a welfare system that looks at individual hardship and pays out.

我们有随富有程度加重税负的,累进税制,还有关注个体并进行再分配支出的,福利制度。

耶鲁公开课 - 金融市场课程节选

Today's system of progressive but flawed taxation of income must, they say, be ripped up by its roots.

ECONOMIST: Binning the IRS

The largest loopholes also favour the rich, making the tax system less progressive, and encourage rampant tax avoidance.

ECONOMIST: America's fiscal deficit

Whether our federal tax system is progressive enough has been a major focus of attention the past few years.

FORBES: Progressive Income Tax Theory: How Much More Can The Rich Be Taxed?