Facebook's Achilles' heel is privacy, so one way to defeat the company might be to conceive of a social network that gives more power to users.

Facebook的致命弱点就是隐私，所以打败Facebook的一个方法可能就是设计出一个可以给用户更多隐私的社交网络。

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You can choose not to answer questions or to adjust privacy Settings so that others can't find you, but that tends to defeat the purpose of a social networking site.

你可以不回答问题或调整隐私设定这样其他人就找不到你，不过那样违背了社交网站的本意。

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As social intellectuals, we have to cooperate with one faction within the party to defeat the other faction.

作为知识分子，我们得配合一派打击另一派。

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In Mississippi, a proposal to declare that an embryo is a person in law from the moment of fertilization did not win - a defeat for social conservatism (though of course not all social conservatives are Republican).

BBC: Elections help Obama. A bit.

Yet there are many social conservatives who worry that they have snatched defeat from the jaws of victory.

ECONOMIST: Gary Bauer��s glass door

Many in the party blamed the effects on immigration, including the lowering of wages and pressures on social services, for the scale of Labour's defeat in the 2010 general election.

BBC: UK Politics