On the Indispensability of "Spiritual Consolation" in the Means of Supporting the Aged& Taking "the Solitary Old Men s Family" for Example; Reflection on Minors 'Ideological and Moral Education: Research on Rural Minors in Empty Nestle Families 养老支持力中的“精神赡养”问题试以“空巢家庭”为例关于未成年人思想道德教育问题的思考以农村空巢家庭的未成年人为研究对象