与面对面的交流相比，人们在线时常常感受到更自由，从而说或做一些不该的事情。

Compared with face-to-face interactions, online we feel freer to do and say what we want and, as a result, often do and say things we shouldn't.

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由于在线广告发布商的缘故（这些人已经学会如何将网络系统玩弄于股掌之间），毫无用处的零碎信息时常与搜索结果混杂在一起。

Unhelpful detritus often clutters search results, thanks to online publishers who have learned how to game the system.

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