It took decades for electrical power to become a tradable commodity.

电力花了几十年才成为可交易商品。

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LIKE oil or pork bellies, computing capacity is now a tradable commodity.

象石油或者五花肉，计算能力现在也是一宗可买卖的商品。

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The tradable commodity can be purchased or sold for use in managing CO2 emissions.

可交易商品可以被购买或出售而用于管理CO2排放。

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Over the years the concept evolved from spending spree vouchers to gift cards to, well the ultimate voucher, cash: the universally tradable commodity.

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Some professional money managers are starting to treat commodities as a tradable asset class, which bothers some traditional investors as each commodity has different supply and demand fundamentals.

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