Arbitraging
v. 套汇, 套利（arbitrage的现在分词形式）
🗣️ 情景例句
Birds are good pets, they can wake you up by singing in the morning.
鸟是很好的宠物，它们早上的歌声可以将你从梦中唤醒。
The end justifies (or sanctifies) the means.
只问目的，不问手段。
Yes, Mom! I'll do it right away.
听到了，妈妈！我这就去。