So if you're going to use it for this purpose, it's not going to be good by itself.

所以如果你想用橄榄油清洁身体,它的气味并不是一个理想的选择

耶鲁公开课 - 古希腊历史简介课程节选

For that purpose, to describe that displacement, we use a vector.

在这种情况下,我们就用矢量来描述位移

耶鲁公开课 - 基础物理课程节选