International aid is a moral obligation for developed nations.
国际援助是发达国家的道德义务。
South Sudan will also be one of the world's least developed nations.
南苏丹也将成为世界上最不发达的国家之一。
They argue that developed nations should take responsibility for global warming.
两国辩称，发达国家应为全球变暖负责任。
What unique art form was developed by First Nations people on the West Coast?
哪一种独有的艺术形态是西岸的第一民族所建立的？
What unique art form was developed by the First Nations people on the West Coast?
第一国(First Nations)人在西海岸地区发明了哪种独特的艺术形式？
What unique art form was developed by the First Nations people on the West Coast?
第一国(First Nations)人在西海岸地区发明了哪种独特的艺术形式？
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