和西西弗斯一样，巨石费力地向上滚动，结果又滚了下来，徒劳无功。

As with Sisyphus, the boulder was painstakingly rolled upwards only to tumble back down again in an absurd exercise of futility.

youdao

好，如果向上滚动，我们从哪里开始？

Well, if we scroll up where did we begin?

youdao

分类的层次可用于在报告中向下钻取或向上滚动。

The levels of a taxonomy can be used to drill-down or roll-up in a report.

youdao

Well, if we scroll up where did we begin?

好，如果向上滚动，我们从哪里开始？

哈佛公开课 - 计算机科学课程节选