Commutativity
[计] 可交换性
🗣️ 情景例句
Never gamble if you can't afford to lose.
如果你输不起的话，永远不要赌博。
I can't help it, sir.
我也无能为力，先生。
Not to grasp firmly is not to grasp at all.
抓而不紧等于不抓。