Principalness
n. 校长；委托人, 当事人；资本；主犯 (principal的变形)
🗣️ 情景例句
I want to. I haven't paid for your dinner for a long time.
我要做。我好久没帮你付吃饭的钱了。
It's Monday today.
今天是星期一。
He's not in his office at the moment.
他现在不在办公室里，