That is Mr Obama's stated aim, but the prospects for a comprehensive cap - and - trade bill look poor.

这也是奥巴马申明的目标, 但是碳总量管制及交易( cap -and-trade)法案的前景并不看好.

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Most problematic of all, prospects for a cap - and - trade bill this year have deteriorated.

最麻烦的是, 一项总量管制和交易法案通过的可能性渺茫.

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His cap - and - trade bill to reduce carbon dioxide emissions passed the House of Representatives in June.

他旨在减少二氧化碳排放的限制与交易( cap -and-trade)法案于6月获国会众议院通过.

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The odds of winning over the waverers depend on the details of a cap - and - trade bill.

要想赢得这些摇摆不定的投票,就得详细地解释清楚限额交易这项法案.

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