Commutativity
[计] 可交换性
🗣️ 情景例句
I thought Max would be crying, and everybody would be awake.
我还以为Max会哭个不停， 让大家都睡不着。
The president must have the approval of Congress to declare war.
总统若要宣战，必须获得国会的承认。
Except us.
我们俩除外。