What is the mean number of days off schedule?

延期交货天数的平均值是多少？

youdao

So when the developer announces on day nine that "coding is complete," we're actually four days off schedule.

所以当开发者在第九天的时候说编写代码马上结束时，我们实际在时间表上已经有了四天的检查时间。

youdao

While it's good to have a walk break schedule, you may sometimes need to go "off schedule" and take more frequent walk breaks.

虽然有一个好的步行安排很好，但有时你需要打破规则，多次步行。

youdao

The new schedule calls for Endeavour to lift off before dawn on Wednesday, the same day that NASA had hoped to launch a separate mission to survey the moon.

VOA: standard.2009.06.16

The project, known as NextGen, is four years off schedule with no end in sight.

WSJ: Review & Outlook: Flying the Government Skies

The latest snafu isn't as serious, but any unexpected problem throws off the schedule, Cook said.

NPR: Mars Rover Curiosity Stands Down After New Problem

But Fox obviously likes what it sees, moving American Dad off the schedule momentarily to let viewers steep themselves in Dynamite.

FORBES: The Eye of the Liger: Why Animated Series 'Napoleon Dynamite' Is A Good Bet for Fox