Idemfactor
n. [数]幂等矩阵, 等幂矩阵
🗣️ 情景例句
Are you traveling alone or whth a friend?
你是一个人旅行还是结伴旅游？
No, thank you. But it was very kind of you to offer.
不用了，谢谢。承蒙您好意提出。
You need to wear lots of warm clothes.
人们要穿很多的保暖的衣服。