The library had to discard books that had lost their topicality.
那個圖書館不得不把主題內容已過時的書籍清理掉.
互聯網
Topicality of anaphora is crucial to anaphora's realization of topical relations and continuity continuity.
回指對銜接關系的實現可從回指形成銜接鏈的方式得以反映.
互聯網
"the library had to discard books that had lost their topicality"