Permutability
换排性, 转置性, 交换性
✅ 同义词
🗣️ 情景例句
There are, Ellen.
一定有， Ellen。
Are you clear in your own mind what you ought to do.
你自己是否清楚该做什么？
Hello, Lily! How are you today?
喂，莉莉，你好。