Decommutation
[计] 反互换
🗣️ 情景例句
Ooh, speaking of keeping busy-I have an early start tomorrow,and the baby-sitter has to get home.
哦， 说到忙于工作，我明天还得早起，而且临时保姆也该回家了。
Practice makes perfect.
熟能生巧。
It doesn't matter.
没关系。