Commutative system
[计] 可交换系统
🧩 词语组成解析
a. 交替的, 交换的\\n[法] 交换的, 代替的, 互相的
🗣️ 情景例句
He has to drive for twenty minutes to get from his house to his office.
从他的家到他的办公室有20分钟的车程。
Nothing is as good as it seems beforehand.
期待比现实更美好。
I can't afford that.
我买不起。