Backdating
n. 倒填日期\\nv. 追溯（backdate的ing形式）
🗣️ 情景例句
It was a pleasure having you. Please come again.
和你在一起我们非常荣幸，请有空常来。
Quietude is the crown of life.
安静是生命的皇冠。
You can imagine how useful this is, particularly in countries like China and Japan, which use written characters not letters.
你可以想像得到，特别是在中国和日本这些使用文字而不是字母的国家，这是多么有用处！