PREabbr.Petroleum Refining Engineer炼油工程师Premate复方甲丙氨(酯)片剂(含meprobanate； tridihexethyl chloride)<抗焦虑药>

1. The basics are back, like spending no more than 28 percent of your pretax income on mortgage payments, taxes and insurance.
   基本回来了，想支出不超过百分之二十八的税前收入的按揭付款，税收和保险。
2. Higher-income groups pay a disproportionate share of federal taxes because they earn a disproportionate share of pretax income and because effective tax rates rise with income.
   高收入人群所支付的联邦税负不成比例，原因是他们的税前收入不成比例，而实际税率会随收入增长。