A new study warns that about thirty percent of the world's people may not have enough water by the year 2025.

　　一项新的研究结果提出警告：到2025年，世界上将有30%的人没有足够的水饮用。

　　A private American organization called Population Action International did the new study. It says more than three-hundred-thirty-five-million people lack enough water now. The people live in twenty-eight countries. Most of the countries are in Africa or the Middle East.

　　这项研究是由美国一家名叫“人口行动”的私立机构进行的。报告说现在世界上有三亿三千五百万人没有足够的水。这些人主要分布在非洲或中东的28个国家。

　　P-A-I researcher Robert Engelman says by the year 2025, about three-thousand-million people may lack water. At least 18 more countries are expected to have severe water problems. The demand for water keeps increasing. Yet the amount of water on Earth stays the same.

　　人口行动组织的研究人罗博特.安格曼说，到2025年大约三十亿人缺水。至少还有其他18个国家将可能面临同样严重的水短缺问题。人类对水的需求不断上升，但地球上水的还是保持不变。