Night and Day

A phrase used to describe a strong difference between two things. It implies an improvement of the situation.⁣
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After I bought that new 4k TV, my experience watching movies is so much better ?. It’s like night and day.⁣
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Another meaning for “Night and Day” or “Day and Night” is all the time.⁣
We worked night and day to finish the task before due date.⁣
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