Two organizations, Ashoka's Change Makers Changemakers and Global Water Challenge, organize the worldwide search.

有两个组织Ashoka的变化创造者和全球用水挑战, 组织了这次全球性的搜寻.

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Two organizations Ashoka's Changemakers and Global Water Challenge, organized the worldwide search.

二个组织,A的改变者和全球水挑战协会, 组织全世界范围内的搜寻.

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