代用税 meaning in English

alternative duty
alternative tax

Tax receipts are expected to grow by only 2 . 4 % in 2007 , partly because congress recently passed a law that would stem the rise in the number of people who pay the alternative minimum tax ( amt ) , a tax originally designed to stop the rich taking too many deductions
2007税收预期增长只是2 . 4 ，部分的因为国会近期通过一条法令可能帮助增加了承担最低代用税（ amt ）的人数，这种税原来是设计来避免富人获取过多的减免。