a particular range of imcome levels on which the same rate of tax is paid.怎么理解

问题描述:

a particular range of imcome levels on which the same rate of tax is paid.怎么理解
不是很理解same在这的意思,根据不同的收入,所交的税也该是不同的咯,为什么用same呢?tax bracket translation.

the same rate 是:相同比率