Some information may not be discoverable, either because it is not relevant to the case or is classified.一些信息也许是不可寻见的，这可能因为该信息与案件无关，也可能因为属于机密。Perhaps a clue to his death was discoverable from his activities that day. 关于他死亡原因的线索有可能从他当天的活动中发现。A discoverable website helps learners follow their creativity rather than a prescribed path.可搜索网站帮助学习者遵循自己的创造性而不是预先设定好的路径。