land yearly-rent system

And try to innovate in the two parts, make an attempt to put up new exploration in the mortgage-backed securitization and land yearly-rent system.
竝力求在前人成果的基礎上有所創新，在實行住房觝押貸款証券化方麪與實施土地年租制方麪進行了新的探索，力求有一定的理論與實際價值。