在Amazon上出吧，ebook 和紙書都不用花錢。賣了Amazon分成就是了。當然，推銷要你自己負責。

來源: fpxjz 於 2019-04-04 13:06:03 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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