区别就是两者都是long+名词短语，但意思是不一样的，具体不同如下
long call中文意思是认购长仓，长呼
A combination of a long futures contract and a long put， called a synthetic long call.由买入一个期货合同和买入一个看跌期权的组合，就叫做组合买入看涨。
long put中文意思是买进销售权
Most of them are discovering the hard way that they have for too long put up with too much redundant and wasteful activity.他们中的大多数都已经意识到他们的削减方式长期以来一直是多余而又浪费的。
