https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://zh.wikipedia.org/zh-hant/%25E6%25B
https://m.hkej.com/landing/mobarticle2/id/3976465/%E9%99%B3%E5%A5%95%E8%BF%85%E6%86%82%E5%AE%89%E5%85%A8%E5%8F%96%E6%B6%88%E
https://hj.rs/sRsK
省到水電：Bal b/f TW$6,935+TW$365=TW$7,300 Bal c/f