双重不确定性 double contingency
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在抚养孩子和赡养老人双重义务的影响下，劳动年龄人口比例和居民储蓄之间的正向关系也存在着较大的不确定性。
Influenced by duties of supporting both children and the elderly, the positive relationship between the proportion of labor-age population and household savings remains uncertain to a large degree.
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