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，使出卖人获得保物权，买人则获得物占有、使用和收益权，并取得附条件所有权。

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可转让财产权为质权。权利质权是种保物权而非债权。