Retroactivity
n. 追溯既往\\n[法] 溯及既往, 追溯效力
🗣️ 情景例句
I think I've had enough of that sandwich.
我想我已经吃够了三明治。
How fast?
多快？
We need some meat.We haven't got any meat at all.
我们需要些肉。我们一点肉也没有了。