Mark Cohen, a professor of retail at the Columbia University Business School, ticks off the companies that have fallen into the ubiquity trap.

哥伦比亚大学商学院零售学教授马克·科恩列举了几个陷入“普遍性陷阱”的公司实例。

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Mark Cohen, an attorney at law firm Jones Day in Beijing, said the rules create uncertainties that could result in extra expense and delay for companies.

众达律师事务所(Jones Day)驻北京律师科恩(Mark Cohen)称，这些政策造成的不确定性可能会给公司造成额外的费用和延迟。

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He is Mark Cohen, America's first ever diplomatic attache specializing in intellectual property.

NPR: U.S. Attache: Piracy in China Hurts Growth

We reached him in Beijing and Mark Cohen told us China cannot become the economic superpower it aims to be without safeguards for intellectual property rights.

NPR: U.S. Attache: Piracy in China Hurts Growth

Mark Cohen sent iReport a video of his destroyed yard and neighborhood in Mays Landing, New Jersey, showing downed trees, smashed cars and damage to his home.

CNN: Americans' 'amazing' feats against storm and heat