Retroactivity
n. 追溯既往\\n[法] 溯及既往, 追溯效力
🗣️ 情景例句
If you can confirm that you wish to proceed with a distributorship of our company,
假如你能肯定你们愿意同我公司建立销售关系，
What are you going to do?
你要做什么？
I'm very proud of you.
我为你感到非常骄傲。