However due to the disorder state of library structure system, humanity can not fully use the existing collections to gain the knowledge nutrition.

然而图书馆构造制度中的无序状态，使人类不能充分地运用已有的藏书使自身获得知识的养料。

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One site, Wales 1801-1919, is aimed at bridging the gaps before collections were officially catalogued through the library system.

BBC: Historical secrets on the web