arbitrage
noun /ˈɑːbɪtrɑːʒ/, /ˈɑːbɪtrɪdʒ/
/ˈɑːrbɪtrɑːʒ/
[uncountable] (business- the practice of buying something (for example, shares or foreign money) in one place and selling it in another place where the price is higher
套汇；套购；套利 词源late Middle English (originally denoting the exercise of individual judgement): from French, from arbitrer ‘give judgement’, from Latin arbitrari from arbiter ‘judge, supreme ruler’. The current sense dates from the late 19th cent.