An increasing number of experts believe that network will exert positive effects on people's rich and colorful life.
越来越多的专家相信网络对人们生活丰富多彩起到积极作用。
Experts say the pace of growth - which has seen the number of people on the planet triple since 1940 - poses an increasing danger to citizens.
自1940年以来世界人口已经增加了两倍，专家说这样的增长速度给居民造成了日益严重的威胁。
Experts say the pace of growth - which has seen the number of people on the planet triple since 1940 - poses an increasing danger to citizens.
自1940年以来世界人口已经增加了两倍，专家说这样的增长速度给居民造成了日益严重的威胁。
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