missing those daysとは 意味・読み方・使い方

In addition to those murders, there was a tenyearold boy missing five days prior to the bathtub kill.例文帳に追加

その殺人に加えて 10歳の少年が 行方不明になった バスタブ殺人の5日前に - 映画・海外ドラマ英語字幕翻訳辞書

Also, there are some manuscripts selected for collation (probably in accordance with the owners' wishes in those days), but he indicated only 'owned by a certain family,' so nobody knew where the manuscripts were from in the beginning, or there were also other manuscripts which have been missing since the chaotic period during and after the war, although it was known in those days that they existed.発音を聞く 例文帳に追加

また、本書で校異に採用されていながら（おそらくは当時の所有者の意向により）「某家蔵」等としか表示されず当初から写本の所在が明らかでなかったり、当時の写本の所在は明らかであってもその後戦中・戦後の混乱期を経て所在が不明になった写本もいくつか存在する。 - Wikipedia日英京都関連文書対訳コーパス