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据预测可联网物品的数量将非常庞大，技术研究公司高德纳(Gartner)预测至2020年将有250亿种联网物品，高科技公司思科(Cisco)2015-04-14 编辑：shaun
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Many of India's biggest cities are struggling. They have too many people and not enough places for them to work, live and play.2015-04-29 编辑：Sunny
