Backdating
n. 倒填日期\\nv. 追溯（backdate的ing形式）
🗣️ 情景例句
I've got it. Now give me some information about
我知道了。现在告诉我
In college I majored in physics, What was you major?
大学时我主修物理，你主修什么呢？
Of course.take your time.
当然，你慢慢看吧。