The constitution assigns to the federal government the exclusive right to the most lucrative source of public revenue in early america : taxes on imports , and a supervening claim on the second most lucrative , excise taxes .

美国立国之初，宪法就将最丰厚的公共收入，即进口税的专有权赋予联邦政府，同时还赋予它第二丰厚的附加权利，即消费税。

" The validity of a bill , as regards requisites in form , is determined by the law of the place of issue , and the validity , as regards requisites in form , of the supervening contracts , "

在形式方面之规定而言，汇票之有效性，由发票地方之法律决定，而附随产生之合约，

The middle east is the one part of the world where the us political system , as presently constituted , cannot act according to a rational calculus of national interest , because it is inhabited by another , supervening interest .

中东是世界上这样一个地区，在这里，美国政治体系按照目前的构成来看不可能根据国家利益的理性计算采取行动，因为它被另外一个意外的利益所掌握。