A stand-off over how many billions of dollars wealthy countries should stump up to help poorer nations cope with climate change over the next three years is prompting concern that fresh UN climate talks may be headed for collapse, writes Pilita Clark in Doha.
各方就未来3年富国应该拿出多少资金帮助穷国应对气候变化问题上陷入僵局，这引发人们担忧：新一轮联合国(UN)气候谈判可能正在走向破裂。
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