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://hk.ulifestyle.com.hk/topic/detail/20052583/whatsapp-%E6%98%8E%E5%B9%B4%E8%B5%B7%E5%B0%87%E5%81%9C%E6%AD%A2%E6%94%AF%
https://tw.news.yahoo.com/%E4%B8%8B%E6%8E%A26%E5%BA%A6%E9%80%A32%E6%B3%A2%E5%AF%92%E6%B5%81-%E6%88%B4%E7%AB%8B%E7%B6%B1%E6%8
儲台幣最好，沽清省回儲台幣，煩少些，自從，儲台幣後，自我規律強了