As a person increases their knowledge they open new doors leading to information that was formerly unknown.

当一个人的学问增加时，他也就开启了一扇引领他通往从前未知领域的新的门。

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But it was perhaps done most effectively by a formerly unknown executive from a far-away state, whose family's personal business has been aired by gossip rags and mainstream media alike.

BBC: Republican Convention diary