包括各种权证在内，还存在着各种衍生的金融工具合约，它们与未来某天的证券价格、利率或汇率保持着某种联系。
As well as claims there are also derivative instruments-contracts relating to the prices of securities, interest rates or foreign exchange rates at some date in the future.
工程师设计出金融衍生物并把资产证券化，从简单的利率期权到错综复杂的信用违约互换和担保债务凭证。
The engineers designed derivatives and securitisations, from simple interest-rate options to ever more intricate credit-default swaps and collateralised debt obligations.
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