In a progressive tax system, where richer people pay a higher average tax-rate, more income going to top earners automatically means highertax revenue.
在累进税制系统中,富人要承担更高的平均税率,富裕阶层的更多收入自然意味着更高的税金收入。
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George Osborne's decision to withdraw child benefit from families where a parent earns enough to pay income tax at the higherrate (40%) has been extensively covered this week.