英语词汇“bear call spread”的读音、翻译、释义、用法及例句-语文网

词汇	bear call spread
释义	bear call spread 空头买权差价交易指投资人买一个履约价较高的买权，同时卖出一个履约价较低的买权。
随便看	data under voice data unit data validity data value Data Warehouse Data Warehouse data word date dateable date bill datebook dated date draft dated securities date field dateless date line date line dateline Date Mining date of birth date of issuance of transport document date of shipment date palm date rape

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