Commutativity
[计] 可交换性
🗣️ 情景例句
We want to leave on May 1st and return on May 8th.
我想五月一日走，五月八日回来。
To conclude the business, you need to cut your price at least by 4%,I believe.
我认为要做成这笔交易，您至少要降价4%。
By this time, however, three men had come into the ring and they quickly dragged the drunk to safety.
好像连牛也在为他感到遗憾，