Yet if traffic figures are divided by population, a somewhat different (and more meaningful) picture emerges: South Korea is and will be the world's most data-hungry country in Cisco's sample.
然而假如流量数字以人口均分，一种有点不同的(而且更有意思的)情况出现了：以思科的样本，韩国现在是并且将成为世界上最数据荒的国家。
Ni : Average population density in area i. To simplify the analysis, Earth’s surface is divided into a grid of squares i, and the distribution is assumed to be uniform in each.
Ni：指i区的平均人口密度，为了简化分析，地球表面被按照网格分成多个i区，每个区的分布假定是统一的。
Despite the world's population being almost equally divided between urban and rural dwellers, the vast majority without access to water and sanitation live in rural areas.
尽管世界上城市和农村的人口数量大致相当，但绝大多数没有获得水和卫生设施的人口生活在农村地区。
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