握手，握手，我非常喜歡Carl Sagan的Cosmos，曾經推薦給很多的人，我這裏有一篇博客也提到了他，

來源: 平等性於 2021-12-28 13:29:43 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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