Two approaches are on offer. Some think the best way to limit emissions is to tax them; others argue for a system that sets a cap on pollution, and lets polluters trade the right to emit.
Obama's plan would end Bush-era tax cuts for top earners and would limit their deductions.
奥巴马的计划将终结布什期间针对劳动收入的税收减让,还将限制劳动收入的税前扣除。
3
It was a limit on phone imports that led Research in Motion to hire Brightstar to make BlackBerrys in Argentina (tax incentives then led the firm to Tierra del Fuego).