如果说社交网络能够改变我们大脑的线路，那么，是的，也许我们某天会生活在一种乌托邦般的世界，在那里先进的技术把每个人以真正的友谊联系起来。

If social networking were changing our brains' wiring, then, yes, maybe we would one day live in some utopian world where technology connected everyone in a meaningful friendship.

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心理健康专家说：虽然很有趣，甚至是诱惑——一条可以找回久违的爱情或友谊的途径——但社交网络还是无法替代现实世界。

While fun, even alluring - a way to connect with long-lost loves and friends - social networks are no replacement for the real thing, say mental health experts.

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