With the deepening of population aging in China,it is particularly important to build a long-term care system from the top level design.The main obstacle to building a long-term care system to cover the population as a whole is where the money comes from and who will deliver services.Learning from the international experience,the issuance of time currency as a medium of mutual endowment intergenerational exchange is tentatively put forward, which can effectively solve such problems as financial sources and ...