地球政策研究所气候稳定计划的第一个关键组成部分是，系统地提高世界能源经济的效率。
The first key component of the Earth Policy Institute's climate stabilization plan is to systematically raise the efficiency of the world energy economy.
地球政策研究所气候稳定计划的第一个关键组成部分是，系统地提高世界能源经济的效率。
The first key component of the Earth Policy Institute's climate stabilization plan is to systematically raise the efficiency of the world energy economy.
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