Idemfactor
n. [数]幂等矩阵, 等幂矩阵
🗣️ 情景例句
You are going to miss her!
你会想念她的！
Thank you. Here's $10:00. Keep the change.
谢谢你。这是10美元，不用找了。
The over-punctual can be as much a trial to others as the unpunctual.
早到的人同迟到的人一样令人讨厌。