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n. 天, 日子, 白天, 工作日
【医】 日(一昼夜), 昼, 白天

day by day from day to day day after day day in day out day-to-day day-by-day day to day the day Father's Day car day day mare day-to-day advance day-to-day posting day in day out day-to-day money day-to-day operations day-to-day loan day-to-day trader day-to-day maintenance day-to-day account from day to day day after day