Permutability
换排性, 转置性, 交换性
✅ 同义词
🗣️ 情景例句
You won't forget, will you?
不会忘记吧？
An endly man rented the big white house.
一老人租用那大白房子。
why have we had no visitors from outer space yet?
那么我们为什么还未见到外层空间来访的客人呢？