Arbitraged
v. 套汇, 套利（arbitrage的过去式与过去分词形式）
🗣️ 情景例句
That's like closing the gate after the horse has bolted.
那无异于马后炮。
You never know what you can do till you try.
事非经过不知难。
Look at those people in the boats.
瞧船里的那些人！