Running total
流水式总计；流水账总数
📖 牛津释义
running total
total (eg of costs, expenses) which includes each new item as it occurs 累积总计（如费用、 开支的）.
🧩 词语组成解析
running
['rʌnɪŋ]
n. 跑步;运转;流出;
adj. 跑着的;流动的;连续的;操作中的，运转着的;
v. 跑;运转(run的ing形式);
🗣️ 情景例句
Oh, OK.
噢 ，好的。
How much is the telephone bill a month?
每个月电话费要多少钱？
I sometimes stay in bed until lunchtime.
有时我要一直躺到吃午饭的时候。