cmhc的介绍里有这么一段: CMHC is Canada’s premier provider of mortgage loan insurance, mortgage-backed securities, housing policy and programs, and housing research.6 f2 L2 x) u, @: ~- T4 V
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mortgage-backed securities不就是“两房”做的房地产为抵押品的债券吗。. _# U5 E6 A* W$ E