The report, drawn up by the world Commission on Water for the 21st Century, says three billion of the world's most deprived people live in squalor and misery without access to proper sanitation.
这份报告是21世纪水资源组织发出的，在报告中说有三十亿最贫穷的人口得不到必要的卫生保证。
The report, drawn up by the world Commission on Water for the 21st Century, says three billion of the world's most deprived people live in squalor and misery without access to proper sanitation.
这份报告是21世纪水资源组织发出的，在报告中说有三十亿最贫穷的人口得不到必要的卫生保证。
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