求翻译：这种高企的储蓄倾向的深层原因是居民对于未来的收入增长缺乏信心以及未来的福利制度改革———包括养老、教育和医疗改革———的不确定性是什么意思？

The deeper reason is that the residents of this high propensity to save for future revenue growth in a lack of confidence as well as the future of welfare reform --- including pension, education, and health care reform --- uncertainty

Such a high propensity to save, the deeper reason is that the income for the future residents lack of confidence, as well as future growth of the Welfare Reform - - - including nursing, education and health care reform - - - the uncertainty

This kind of slight increase deposit tendency in-depth reason will be the inhabitant grows the deficient confidence regarding the future income as well as the future welfare system reform - - - including cares for the aged, the education and the medical reform - - - uncertainty

This propensity to the deeper cause resident of high revenue growth for the future lack of confidence and the future reform of the welfare system------include pension, education, and health care reform uncertainty

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