基本解釋[經(jīng)濟學]背書條款英漢例句權威例句In short, we do not believe these cases endorse the view that an existing activity is some kind of touchstone or a necessary precursor to Commerce Clause regulation.FORBES: Why the Supreme Court Will Strike Down All of Obamacareendorse clause更多例句專業(yè)釋義經(jīng)濟學背書條款