短语词组短语long a Put 卖权;购买看跌权;购买看跌期权Long butterfly put spread 买入碟式卖权价差long Synthetic put 买入合成看跌期权Long butterfly put read 买入碟式卖权价差too long to put here 郎朗拉二long put option 看跌期权多头;买入看跌期权Long Put Butterfly 空头蝶式Buy or Long put 买入卖权 返回 long put