Unsafe drinking water could potentially cause a serious health hazard for residents in the Nepali capital Kathmandu Valley, experts warned.
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In Mexico in 1944, many experts warned of mass starvation in developing nations where populations were expanding faster than crop production.
在1944年的墨西哥，许多专家警告，发展中国家的人口增长速度快于粮食生产，会出现大规模饥荒。
In the past, health experts warned us that the day would come in which it would become very difficult to provide medical care for even common problems such as lung infection or severe sour throat.
过去，健康专家曾警告我们，即使是肺部感染或严重的咽喉痛等常见疾病，有一天也会很难得到医疗护理。
In the past, health experts warned us that the day would come in which it would become very difficult to provide medical care for even common problems, such as lung infection or severe sore throat.
过去，健康专家曾警告我们，有一天，即使是肺部感染或严重的咽喉痛等常见疾病，也会很难得到医疗服务。
During this period,many experts warned of mass starvation in the developing world where populations were expanding faster than crop production.
VOA: special.2009.11.10
In 1944,when many experts warned of mass starvation in developing nations where populations were expanding faster than crop production, Borlaug began work at a Rockefeller Foundation-funded project in Mexico to increase wheat production by developing higher-yielding varieties of the crop.
VOA: standard.2009.09.13
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