China will need to dramatically increase its efficiency and utilize alternative energy sources to even hold its greenhouse levels constant, let alone reduce them.
中国需要大幅度提高其能源利用效率并使用可替代能源才能使其温室气体水平保持不变，更不用说减少温室气体了。
China will need to dramatically increase its efficiency and utilize alternative energy sources to even hold its greenhouse levels constant, let alone reduce them.
中国需要大幅度提高其能源利用效率并使用可替代能源才能使其温室气体水平保持不变，更不用说减少温室气体了。
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