Regulating measure and policy of decreasing cost.

制定采办成本降低措施和制度。

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The cost of producing energy from sources like the sun and wind is also decreasing.

通过太阳能和风能等来源生产能源的成本也在降低。

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The cost of producing energy from sources like the sun and wind is also decreasing.

通过太阳能和风能等来源生产能源的成本也在降低。

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