But to save on interest, he would never take more than NT $ 20, using only NT $ 10 to buy ten steamed buns, and going out the next day to sell more lighting fixtures, spending the last NT $ 10 on steamed buns if he didn't make any sales, then redeeming the watch whenever he could.
但他每次卻只當 20 元，以節省利息。他用其中的 10 元買了 10 個饅頭做為晚餐，隔日再出去賣日光燈；如果還是賣不出去，就再買 10 個饅頭來吃。