边际税率就所得税而言收人的最后一美元中用作税收的百分比在累进税制中边际税率高于平均税率
The marginal tax rate is the percentage of the last dollar of income used as tax in terms of income tax. In a progressive tax system, the marginal tax rate is higher than the average tax rate
以上为机器翻译结果，长、整句建议使用 人工翻译 。