醫保有些事，比如高速公路，國家公園，隻能國家出麵，一百年曆史已經證明市場解決不了

來源: 數學博士於 2024-09-03 06:45:21 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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