知其然，从某种意义上，是被动阅读百科全书或教科书中的资料。
Passively reading the material in an encyclopedia or textbook is learning, in a sense.
CD盘可以储存大量数据，这对于文献资料的存储非常有用，如存储一部百科全书。
CD disks can store huge volumes of data and are very useful for reference material an encyclopedia, for example.
因为我有个朋友，开书店的，正在编一种百科词典，您有能力的话，可以为它翻译一些德语或英语的资料。
Because one of my friends, a publisher, is getting up a sort of an encyclopaedia, for which you might have translated English or German articles.
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