1.n.（股票经纪人买进和卖出的）差价，买卖某种证券或期货的交易周期，商品从批进到售完的一个周期，周转率2.v.变为，转变
Q.～volume流通量，吞吐量，成交额
P.～of capital资本周转次数

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～of commodity商品（或期货）周转次数

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～of the market市场变化，市场中心的买价卖价差额

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～over a new leaf改过自新

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～to a right诉讼收回占有物（指财产被霸占不能个人收回，必须凭借诉讼程序）V.to～a quick profit迅速牟利

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to～King's (Queen's) evidence 与控方合作作证指控同犯

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～loose释放，解放，使不受拘束，开枪，开火

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～screw at sb.对某人施加压力

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～state's evidence =～King's evidence

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～the corner扭亏为盈

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～the tables 扭转局势，转变形势，转败为胜
O.after hours of intense negotiations, the suspect accepted a plea bargain and agreed to～state's evidence经过几小时紧张谈判，疑犯接受了控辩交易，同意与控方合作指控同案犯