There are two main doctrines on the legal character of securities counter-purchase: doctrine of collateral loan and doctrine of conditional sale .

关于证券回购的法律性质，主要有抵押贷款说和附条件买卖说等两种做法和观点。

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Taking the conditional value at risk (CVaR) as risk management index, DistCos purchase allocation among multi electricity trading markets is studied.

采用条件风险价值理论研究供电公司在多个电力交易市场中的最优购电分配策略。

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An Agreement of Purchase and Sale for a particular property which is conditional (becomes binding) upon the failure of another Agreement for the same property.

某物业的买卖协议，只有在相同物业的另外一个协议作废后才生效。

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Go into every interview hoping you come home with a purchase order, a conditional purchase letter, or letter of interest from the decision-maker.

FORBES: Are You Making Something Usable? Part 6 -- How to do it.

In addition, the DISH Proposal would require Clearwire to terminate the note purchase agreement under which Sprint has agreed to provide interim financing to Clearwire and is conditional upon the consummation of the spectrum purchase and Clearwire being in compliance with the commercial agreement (both as described above).

FORBES: Fat Lady Still Not Singing In the Sprint Acquisition of Clearwire

Any purchase will be conditional upon the approval of the Football League and the Football Association, it was announced.

BBC: Troubled Luton agree sale of club