carbon trading and other theories
...碳交易等理论；试点城市 [gap=3027]arbon city; low-carbon buildings; low carbon transport,; low-carbon environment; carbon trading and other theories; pilot cities ..
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carbon trading and other theories
碳交易和其他理论
以上为机器翻译结果，长、整句建议使用 人工翻译 。