中英互译

do a sum

基本释义

Notice that this is exactly what you do when you sum a list of Numbers: start with zero, add the first element, take that result and add it to the second, and continue until the list is consumed.
注意，这正是当您对一列数求和时所要做的：从零开始，加上第一个元素，获取结果并将其加到第二个上，持续操作直至列结束。
If you do this, you find the the expected frequency is 0 because deviations from a mean always sum to 0.
如果您这么做，您会发现期望频率是0，因为平均值的偏差的和永远是0。
The script keeps a running total of the amounts and issues a warning if they do not sum to zero at the end.
此脚本保存的是金额的流动合计，如果最终的和不为零，它就会发出一个警告。