Retroactivity
n. 追溯既往\\n[法] 溯及既往, 追溯效力
🗣️ 情景例句
That's too rich for my blood.
对我来说太贵了。
In China people call this Ya-Sui-Qian.
在中国人们把这叫做“压岁钱”。
The garden was soon littered with chunks of metal which had once made up a lawn mower.
一会儿工夫，割草机便被拆成一个个金属零件，乱七八糟地堆在花园里。