Since he started keeping records, the monthly electric bill of NT $ 40,000 has been cut in half and the water bill of NT $ 16,000 has been slashed to NT $ 1,300-a savings of 90 %.
自從每天紀錄、追蹤之後，每月電費從 4 萬元減為一半，水費更從每月 1 萬 6,000 元，遽減為 1,300 元，降幅高達 90％。