六级The hope is that the success of COP 21 opens the door to future international agreement on carbon prices.
希望是COP 21的成功为未来的碳价格国际协议打开了大门。
六级Nations from around the world have gathered in Paris for the United Nations Climate Change Conference, COP 21, with the goal of a universal and potentially legally-binding agreement on reducing greenhouse gas emissions.
来自世界各地的国家齐聚巴黎参加联合国气候变化大会COP 21,目标是就减少温室气体排放达成一项具有普遍性和潜在法律约束力的协议。
六级The nations participating at COP are focusing on quantitative emissions-reduction commitments.
参加缔约方会议的国家将重点放在量化减排承诺上。
六级The nations participating at COP 21 are focusing on quantitative emissions-reduction commitments.
参加第二十一届缔约方会议的国家正集中精力于量化减排承诺。
考研The resulting settlement maps show how the distribution and density of the rural population around the city changed dramatically between AD500 and 850, when Copán collapsed.
由此产生的定居点地图显示了公元500年至850年间,当科潘崩溃时,城市周围农村人口的分布和密度发生了巨大变化。
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