China and the US have begun an ambitious new phase of talks on curbing their carbon dioxide emissions that observers say is the most promising development in nearly 20 years of global climate change negotiations.
美中两国有关抑制各自二氧化碳排放的谈判已进入一个雄心勃勃的新阶段,观察人士认为,这是近20年manbetx app苹果 气候变化谈判里让人感到希望最大的变化。
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