A currency swap is the simultaneous purchase and sale of a given amount of foreign exchange for two different value dates.

货币币种交换(掉期)是按两个不同的起息日对一定数量的外汇同时进行买卖。

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Article 7 Articles or property rights whose purchase and sale are prohibited by laws and administrative decrees shall not be taken as auction targets.

第七条法律、行政法规禁止买卖的物品或者财产权利，不得作为拍卖标的。

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In theory, arbitrage is the simultaneous purchase and sale of two identical commodities to take advantage of price variations in different markets.

从理论上讲，套利是指在不同的市场上同时买进和卖出两个相同的商品，以赚取差价。

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However, the figure was boosted by big one-off items, including the purchase and sale of television networks.

BBC: News Corp profits boosted by cable television

If you spread the purchase and sale costs over a longer period, your total annual cost will be lower.

WSJ: Calculating the Costs of Investing in ETFs

The meeting or congregating together of people for the purchase and sale of provisions or livestock, publicly exposed, at a fixed time and place.

ECONOMIST: All our futures | The