This suggests that if there exist arbitrage opportunities in the field of commodity, it is almost impossible to prevent people from doing that.

这表明，如果商品领域中存在套戥机会，几乎很难防止有人不这样做。

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Options are one kind of derivative financial instrument which the financial investors use for the conduct in the field of arbitrage and hedging transactions.

期权是金融领域中投资者用以进行套利和避险交易的一种衍生性金融工具。

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Unlike labor arbitrage, the technology playing field can still be a race to the top.

FORBES: Is Your Job Robot-Proof?