Nearly a billion and a half people, mainly in Asia and Africa, were living without electricity in two thousand nine. That latest count from the International Energy Agency was an improvement.
2009年将近15亿人在没有电力的情况下生活，他们主要集中在亚洲和非洲。来自国际能源机构的这一最新统计数字是一种进步。
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There are many efforts to find low-cost ways to light homes. One idea is a "water bulb." This system has recently been used to brighten more than one hundred homes in the Korogocho settlement in Nairobi, Kenya. These included the home of Madina Muhsin's family.
现在有很多寻找低成本照明方式的尝试。其中一个想法就是“水灯泡。”这一系统最近被用来照亮肯尼亚首都内罗毕罗戈乔（Korogocho）定居点的一百多个家庭。这其中就包括马迪纳·穆赫辛(Madina Muhsin)一家的房子。
