print on demand，不需要交任何費用，amazon收取服務費

來源: 一介草根於 2016-09-09 10:38:12 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.