Retroactivity
n. 追溯既往\\n[法] 溯及既往, 追溯效力
🗣️ 情景例句
Come in, please.
请进。
If you want my advice,I don't think you should go.
如果你想要我的忠告，我不认为你应该去。
Is there any way of ensuring we'll have enough time for our talks?
我们是否能保证有充足的时间来谈判？