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點圖看影片 https://youtu.be/5EiQqXfV37A?si=mdcV3coB1ejH2kIA
https://tw.news.yahoo.com/%E9%99%B8%E6%90%B6-%E9%A6%96%E4%BE%86%E6%97%8F-%E9%81%8A%E6%99%AF%E5%8D%80%E5%85%8D%E9%96%80%E7%A5
21.333764,98.981838
https://udn.com/news/story/124229/8260160
萬一走失時,先找後補?
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