要保持社會階層流動，精英階層也要有流動性。這方麵中國比以前退步了，但還是比美國好很多，

來源: 大洋bridge 於 2023-12-31 10:06:50 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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