省到水電：Bal b/f TW$5,475+TW$365=TW$5,840 Bal c/f
23,965KM-2KM=23,963KM
https://www.singtaousa.com/2025-01-08/%E7%8E%8B%E6%98%9F%E5%A4%B1%E8%81%AF%EF%B8%B1%E3%80%8C%E8%8D%89%E6%A0%B9%E6%BC%94%E5%9
http://news.cnnb.com.cn/system/2025/01/08/030641219.shtml
https://topick.hket.com/article/3884155/%E7%8E%8B%E6%98%9F%E7%8D%B2%E6%95%91%EF%BD%9C%E5%85%A7%E5%9C%B0%E6%BC%94%E5%93%A1%E7