There is a growing tendency these days for many people who live in rural areas to come into and work in city.This problem has caused wide public concern in most cities all over the world.

农民进城打工正成为增长的趋势，这一问题在世界上大部分城市已引起普遍关注。

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The company says it will also address the problem of “food deserts” — a dearth of grocery stores selling fresh produce in rural and underserved urban areas like Anacostia — by building more stores.

沃尔玛称它也将通过建造更多的店来解决“食物荒漠”这一问题——诸如阿纳科斯蒂亚这类基础设施不足的城市及广大乡村缺少便利店销售新鲜产品。

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Crime is still a big problem in most cities and in lawless rural areas where ruthless prospectors, loggers and landowners at times ride roughshod over their neighbors.

犯罪仍将是大多城市和缺乏法制的乡村中存在的主要问题。 在巴西农村，一些胆大妄为的矿工、伐木工人以及土地所有人不时行恃强凌弱之 事。

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Katherine Nichol, who works at Plan Rwanda, a non-governmental organisation which promotes girls' education in rural areas, says that the scope of the problem might be even worse than outlined in the report.

BBC: Rwanda vows to tackle school sex abuse