Firms responsible for emissions, including utilities and oil producers, would either have to cut them or compete to buy a steadily shrinking number of permits.

对排放量负有责任的公司，如公用事业，石油生产商，要不就是减少排放量，要不只能去竞争购买日渐稀少的许可证。

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Firms responsible for emissions, including utilities and oil producers, would either have to cut them or compete to buy a steadily shrinking number of permits.

对排放量负有责任的公司，如公用事业，石油生产商，要不就是减少排放量，要不只能去竞争购买日渐稀少的许可证。

youdao