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
https://tw.news.yahoo.com/%E7%B7%AC%E7%94%B8%E8%BB%8D%E6%94%BF%E5%BA%9C%E5%85%A7%E6%88%B0%E7%AF%80%E7%AF%80%E6%95%97%E9%80%8