A search on Google for "free ring tones" yields more than a million sites.

在谷歌上搜索“免费铃声”会得到超过一百万个网址。

《柯林斯英汉双解大词典》

And you should allow for a free-ranging investigation of common terms, such as that provided by a synonym ring.

并且应该允许对常用术语进行自由范围的调查，例如同义词环所提供的术语。

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Tracking social media is big business, and the news that Twitter is set to enter the ring with a free product of its own may strike fear in the hearts of market leaders.

监测追踪社会性媒体是一单大生意，而Twitter将免费推出自己的分析产品，这可能让很多业界领军产品感到恐惧。

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Judge Huvelle allowed Ring to stay free on bail pending his appeal, which was filed this month.

FORBES: A Lobbyist's Appeal For Common Sense - The Case of Kevin Ring

When workers ring a toll-free hot line, Diebold will have to decide whether to follow up or face a gaping legal liability.

FORBES: Capital Markets & Investing

Ring is also currently free awaiting an appeal of his case.

FORBES: There Are No Nice Prosecutors When You Are A Defendant