購こう書しょこうしょMeanings1nounpurchased books; book purchasingRefers to books that have been bought or the act of buying books. Often used in formal or written contexts.購こう書しょは図と書しょ館かんの重じゅう要ような業ぎょう務むの一ひとつです。Book purchasing is one of the important tasks of a library.
