Used credits are worthless on European carbon exchanges.

二手碳权在欧洲碳交易市场一文不值。

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Given the importance of carbon to life, scientists seek to understand the major reservoirs of carbon in the earth and the exchanges between them, both in space and in time.

鉴于碳元素对生命的重要性，科学家试图了解地球上碳元素的主要时间及地点上的储存和交换。

youdao

Given the importance of carbon to life, scientists seek to understand the major reservoirs of carbon in the earth and the exchanges between them, both in space and in time.

鉴于碳元素对生命的重要性，科学家试图了解地球上碳元素的主要时间及地点上的储存和交换。

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