Earlier this year the House of Representatives voted to erect a "cap-and-trade" system, which would set a ceiling on such emissions and lower it each year.

在今年早些时候，美国众议院就投票建立起“总体管制与交易”体系，这将限制每个国家二氧化碳的最高排量并将其逐年递减。

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At a recent trade show, Galvin had his crew cut a hole in the side of their model house to expose the structural system because no one realized it was made from containers.

在最近一次展销会上，加尔文叫员工在样板房一边切了个大洞，以展露其建筑构造，否则的话，没人能看出它是集装箱改建的。

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The House voted narrowly, by 219 to 212, in favour of a climate-change bill that establishes a cap-and-trade system to reduce emissions.

美国众议院以219对212票微弱差距通过了一条与气候变化相关的法案。该法案确立了碳减排的总量封顶之下的配额交易体系。

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An energy bill passed last year by the House of Representatives included a controversial cap-and-trade system.

CNN: Top issues: Energy and environment