Some are very tall. Yet all are below the level of an observer on the edge, looking over.

VOA: special.2009.10.07

Anything that tells him to sense something like the user's mouse or the edge of his screen is actually purple in color; and so they're nicely colorized and all this but the one that's adventurous right now is this.

能够让计算机感知鼠标或屏幕边缘的图块,都是紫色的;,这些图块五颜六色,但这里有一个不太靠谱的按键。

哈佛公开课 - 计算机科学课程节选

You can write on the edge for all I care.

也可以写在边上，都不要紧。

麻省理工公开课 - 固态化学导论课程节选

One of the things that's very true about Moscow, right into the twentieth century, is that you had all sorts of peasants living on the edge of Moscow living in these wooden houses.

有一件关于莫斯科的史实,直到二十世纪,在莫斯科的郊外,还有许多农民住在这样的小木屋里

耶鲁公开课 - 欧洲文明课程节选