Telephia and Nielsen are both privately held companies.

尼尔森和Telephia都是私有公司。

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Privately held companies are voluntarily adding more scrutiny, as well.

私营公司现在也开始更加注重企业的内部审计工作。

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Starting in 1913, the city starting building the tunnels and leased them to these privately held companies.

自1913年始，城市开始挖掘隧道并交给这些公司（建设）。

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So did many privately held companies in industries ranging from grocery retailing to pipe testing.

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Sageworks has highlighted the fact that profit per employee has increased at privately held companies.

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But, without a broader push by privately held companies, Congress will continue to delay action.

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