23,975KM-2KM=23,973KM
https://tw.news.yahoo.com/%E9%A3%AF%E5%BE%8C%E8%A1%80%E7%B3%96%E9%AB%98%E6%80%8E%E9%BA%BC%E8%BE%A6-%E9%86%AB%E6%95%994%E6%8B
https://www.gov.mo/zh-hant/news/1114962/
https://www.businessweekly.com.tw/careers/blog/3017557
https://tw.news.yahoo.com/%E6%9E%97%E5%A7%BF%E5%A6%99%E6%94%B6%E8%B3%84%E9%9B%A3%E6%88%90%E7%BD%AA-%E5%90%88%E8%AD%B0%E5%BA%