Now you have a gap in your data and yet you still have some magnetic particles there that could be useful.

现在的数据中可能会有一些空白,但你仍然有一些,有用的磁性粒子。

哈佛公开课 - 计算机科学课程节选

And that's probably useful if you're actually trying to format things in a nice way.

这个可能有用，当你想把它的格式,变得美观一点的时候。

哈佛公开课 - 计算机科学课程节选