動詞 classify:

1. arrange or order by classes or categories
   同義詞：classify, class, sort, assort, sort out, separate
2. declare unavailable, as for security reasons
   同義詞：classify
3. assign to a class or kind
   同義詞：relegate, classify

1. The act or result of classifying.
   分類分類行為或分類結果
2. People who work in libraries spend a lot of time classifying books.
   圖書館工作人員要花很多時間把圖書分類。