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retroactively
01
in a way that something takes effect from a date earlier than its official approval or implementation
例子
The amnesty law pardoned offenses retroactively up to a certain date.
The contract was revised retroactively to include additional terms from the beginning.
The updated regulations were enforced retroactively to ensure compliance.
The policy changes were implemented retroactively to address past issues.
The new tax law was applied retroactively to cover income earned in the previous year.
