The cresset of title inpawn right include conveyable property,but not include of ownership and real property usufruct.

权利质权是以所有权和不动产用益权之外的财产权为标的的质权。权利质权是种保物权而债权。

While the bargainee enjoys the rights of possession, using and proceeds of object in terms of the contract as well obtains the contingent right.

在买卖合同中约定所有权保留，使出卖人获得了保物权，买受人则获得了有保物权负的所有权。