美國的社會實體，分成了Public Sector和Private Sector兩大類。前者是政治體係，後者是經濟體係。

來源: 蔣聞銘於 2024-09-10 09:57:26 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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