Indefinite operator
[计] 不定算子
🧩 词语组成解析
🗣️ 情景例句
We'd like to give thanks for meeting Susan
我们要感谢认识了Susan
When the tree is fallen, every one runs to it with his axe.
大树一倒下，人人持斧来。
The other people in the workforce may not trust you in future.
在一起干活的其他人可能今后不会相信你了。