https://news.tvbs.com.tw/world/1876992
https://www.google.com/amp/s/money.udn.com/money/amp/story/5599/8230186
省到累積：Bal b/f TW$0+早餐TW$40+午餐+TW$46+晚餐TW$60+不買茶啡TW$0=TW$146 Bal c/f