来自互联网广告局（IAB）和 PwC（普华永道）会计人员的统计报告指出互联网上的广告费用比2009年增长了3倍。
A study by the Internet Advertising Bureau (IAB) and the accountants PwC found that online advertising spending grew three times as rapidly as in 2009.
美国互动广告局和普华永道会计律师事务所周三发布的一份报告显示，互联网广告收入继续呈现增长势头。
Internet advertising revenue continues to rise, according to a report released Wednesday by the Interactive advertising Bureau and PricewaterhouseCoopers.
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