萬一走失時,先找後補?
https://www.cna.com.tw/news/aopl/202403010253.aspx
https://tw.news.yahoo.com/%E9%A2%B1%E9%A2%A8%E5%B1%B1%E9%99%80%E5%85%92%E5%8C%97%E8%BD%89-%E8%A5%BF%E5%8D%97%E9%83%A8%E9%98%
https://www.cna.com.tw/news/aopl/202409300212.aspx