Lack of adoption of the formal semantic Web does not mean that search is not getting better. There are several instances where semantics are being used to improve search.

缺乏对正式语义网络的采用，并不意味着搜索没有进步，已经有几个例子证明了语义学被用于改良搜索当中。

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Has the W3C been pushing the more bottom-up Linked Data world, because of the frustration over lack of take-up of top-down Semantic Web?

是因为从上到下的语义网遇到推广上的挫折，W3C才决定推广自下而上的关联数据吗？

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Lack of vocabulary, errors in semantic and grammatical collocations and misuse of words of different styles are the common problems in the writings of English majors.

提笔忘词、语义与语法搭配失误及不同语体词汇的混用，是英语专业学习者写作中常见的问题。

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