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使用教學： penana.com/story/79428/數據分析應用入門課程/issue/3
https://www.penana.com/story/107761/%E5%9C%A8%E5%A5%B9%E6%B6%88%E5%A4%B1%E4%BB%A5%E5%BE%8C/issue/4