But she said it was an example of a "grass-roots" movement beginning on the social networking site.

但她认为，这一始于社交网站的“草根运动”是一个很好的例子。

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The sending of a friend request on Facebook or other social networking site without including any information on who you are or how you know the recipient.

在“脸谱”或其他社交网站上的好友请求并无任何信息知道你是谁或者知道你会（不会）接受。

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Those who spent more time updating their profile on the social networking site were more likely to be narcissists, said researchers.

研究人员称，花费较多时间更新社交网站个人资料的人更有可能是自恋狂。

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That plug-and-play model curbs outlays on servers, storage, networking equipment, on-site IT staff and juicy maintenance contracts precious savings for small-and mid-sized companies looking to do more with less.

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But there are also free ways to get ringtones, like the ringtone creator application on Facebook -- one of several ringtone applications on the social-networking Web site -- that make setting ringtones all the more appealing.

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Those who visited spent nearly 100 minutes on the site in January, compared with 19 minutes on professional social-networking site LinkedIn, it said.

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