Running sum
[计] 当前和, 现行和
🧩 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);
sum
[sʌm]
n. 总数;算术;金额;概略，要点;
vt.& vi. 总计;总结，概括;归纳;
🗣️ 情景例句
If we hire you, how long will you stay with us?
你打算给我们工作多久？
What is worth doing at all is worth doing well.
事既值得做，就把事做好。
Meimei, who's that boy?
美美，那个男孩是谁？