以每英镑碳减排量来衡量这些政策，其巨大的开销很难说是合理的。

Assessing such policies in terms of how much carbon reduction they achieve for each pound spent, these high figures are hard to justify.

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一个阅读了碳减排草案的人称，新政策包括从海外购买高达50%的碳减排量。

According to one person who has read the drafts, the new policies will include buying up to 50% of the reduction from abroad.

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用户还能通过碳交易模块和碳增值模块进一步参与以二氧化碳减排量为流通货币的交易活动。

The user also can further participate in exchange activities which take the carbon dioxide emission reduction amount as a currency by a carbon exchange module and a carbon appreciation module.

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