retroactively
01
追溯地, 溯及既往地
in a way that something takes effect from a date earlier than its official approval or implementation
例子
The new tax law was applied retroactively to cover income earned in the previous year.
新税法追溯适用于覆盖上一年的收入。
The policy changes were implemented retroactively to address past issues.
政策变更追溯实施，以解决过去的问题。
词汇树
retroactively
retroactive
retro
active
