欧洲的排放交易方案(ets)具有许多明显的缺陷。
他们更多时候共同反对的是奥巴马的总量管制与排放交易方案将会在这个经济衰退期间课以重税。
A more common objection to Mr Obama's cap-and-trade proposal is that it would amount to a huge tax hike in the middle of a recession.
去年暑假他曾声称会以参议员身份投票反对总量管制与排放交易方案，而实际上在议会中却投了赞成票。
Last summer he said he would vote against a cap-and-trade scheme as a senator, though he had voted for the plan in the House.
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