day-to-day 2023.03.13 day-to-dayとは 意味・定義・例文 Adjective 形容詞 デイタデイ US /deɪ-tu-deɪ/ UK /ˈdeɪtəˈdeɪ/ 1. happening every day as a normal part of your life or job 毎日の, 毎日起こる, 日常の