"You need to sit down with at least three contacts each week, even if it's just for a quick cup of coffee," Mattson says.

麦特森说：“每周至少要与三位熟人坐下来聊一聊，哪怕只是在一起喝杯咖啡。”

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The exercise is to create three portlet applications that manage a list of contacts (similar to an address book).

该练习创建三个用于管理联系人列表(类似于通讯簿)的Portlet应用程序。

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In their report, Would Contact with Extraterrestrials Benefit or Harm Humanity? A Scenario Analysis, the researchers divide alien contacts into three broad categories: beneficial, neutral or harmful.

在他们的报告里，与外星人接触是利还是弊呢？一份推测分析报告，研究员们将与外星人的接触分为三大类别：有利的，中立的，有害的。

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Last but certainly not least, the app will dial 911 and up to three emergency contacts when it thinks you've been in an accident -- it figures that out with the data it collects from the Link's accelerometer.

ENGADGET: Automatic Link connects phone and car for better driving, we go hands-on (video)

"I've been in my job three and a half years and I've had fewer than five letters or contacts from the public about this issue, whereas I've had three to four thousand contacts from members of the media, " he said.

BBC: Open to stay men only

The FBI affidavit also detailed contacts between Dzhokhar Tsarnaev and the three friends in the days after the bombings.

WSJ: U.S. Charges Three More in Boston Marathon Case