The world had to agree a long-term target, a cut of at least 50% by 2050, he said. "But more importantly, the leaders of industrialised countries should agree on a mid-term target."

他说世界各国已经同意在2050年至少减少50%排放这一远期目标，但是更重要的是，发达国家的首脑应该就中期目标达成一致。

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Citing "downside risks" to a much-reduced economic outlook, the Fed said its short-term interest-rate target, near zero since the end of 2008, will probably stay there until at least mid-2013.

引用“下跌风险”来描述大幅下降的经济前景，美联储指出其短期利率目标将可能维持现在的水平一直到2013年中期，目前的利率自2008年底以来一直接近于0。

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Citing "downside risks" to a much-reduced economic outlook, the Fed said its short-term interest - rate target, near zero since the end of 2008, will probably stay there until at least mid-2013.

美联储将“下行风险”削减至可能严重影响经济前景的水平，声称从2008年底零利率水平起，短期利率的目标是维持该水平直到2013年年初。

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