A regressivetax, like the poll tax, takes proportionately more of a poor person's income.
像人头税一样，递减税占穷人收入的比例更大。
2
Kirk Smith, a professor at the University of California, Berkeley, calls climate change the world's biggest regressivetax: the poorest pay for the behaviour of the rich (see map).
加州伯克利大学的教授柯克·史密斯认为，气候改变是世界最大的递减税：最贫穷的国家支付了富国的费用。
3
It was concerns about how regressive the switch to a flat tax would be that caused Mr Forbes's campaigns to founder.