Learn what "i know i can't undo the past" means, when people say it, and how to use it naturally in English.

It means the speaker accepts that what happened before cannot be reversed and must be dealt with now.
From One Night, One Forever, Episode 36
The speaker accepts that past mistakes cannot be changed.
Use this when reflecting on regrets or past mistakes. It sounds natural in emotional conversation, but it is better as part of a longer explanation than as a standalone SEO page.
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