So you went over to their hotel,then you tripped, and you fell down two flights of stairs.

VOA: standard.other

You need to walk down the stairs and then up the stairs.

要被迫上下楼。

哈佛公开课 - 幸福课课程节选

You need to walk down the stairs and then up the stairs.

要被迫上下楼。

哈佛公开课 - 幸福课课程节选