The library had to discard books that had lost their topicality.
那个图书馆不得不把主题内容已过时的书籍清理掉.
互联网
Topicality of anaphora is crucial to anaphora's realization of topical relations and continuity continuity.
回指对衔接关系的实现可从回指形成衔接链的方式得以反映.
互联网
"the library had to discard books that had lost their topicality"