And,over the years, it has become a popular way of expressing sadness.

VOA: special.2009.10.25

Well, Freud pretty quickly figures out that what little Hans is doing is finding a way of expressing his frustration about the way in which his mother leaves the room; in other words, his mother is not always there for him.

弗洛伊德很快就发现小汉斯其实是在,找另一种方法,来表达自己对妈妈离开房间,的种种不满;,换句话说，他妈妈并不能时时刻刻陪着他。

耶鲁公开课 - 文学理论导论课程节选

You do that by expressing the genes in the mice in the way that I described on the last slide and it's shown in a little bit more detail on this slide.

按照我上张幻灯片讲过的方法,在小鼠中表达外源基因,这张幻灯片中对此有更详细的表述

耶鲁公开课 - 生物医学工程探索课程节选