然后我可以使用内置的聚合函数来获取过期天数的大小和总和并计算平均值。

I can then use built-in aggregate functions on the array to get the size and sum of those days overdue and compute an average.

youdao

然后我可以使用内置的聚合函数来获取过期天数的大小和总和并计算平均值。

I can then use built-in aggregate functions on the array to get the size and sum of those days overdue and compute an average.

youdao