Idemfactor
n. [数]幂等矩阵, 等幂矩阵
🗣️ 情景例句
No, he never did.
没有， 从来没有。
I had a hamburger and a fried chicken leg?
我吃一个汉堡包，一个炸鸡腿。
An advertisement which begins with the magic word FREE can rarely go wrong.
凡是用“免费”这个神奇的词开头的广告很少会失败的。