从占gdp的份额来看，20国集团中新兴市场的刺激性开支要比其富裕国家的开支高。

As a share of GDP, stimulus spending by the emerging-market members of the G20 was larger than spending by the rich members.

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在建立双边协议和直接进行知识技术转让上，还有很多工作需要做。 中美间密切的合作将会是最为重要的进展，因为这两国的温室气体排放量在全球总量里占相当高的比重。

The most important development would be the US and China working closely together, since jointly they are responsible for such a high proportion of the world's emissions.

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