Rationalness
n. rational（推理的）的变形
🗣️ 情景例句
My mistake. it won't happen again.
是我的错。 不会再发生类似的事情了。
Fool, you added this bill up wrong!
笨蛋，你把账单加多了！
Thanks very much. I must go!
谢谢，我必须走了。