Something that is on the "fringe" means it is on the edge, outside established boundaries.

VOA: special.2009.08.05

Once you know what pieces to look for, what mental constructs to reach for, can you realize all right I want to make some dancing figures go back and forth, I need to loop this way and loop this way and check if I'm on the edge and so forth.

一旦确定需要查找的部分,想要达到那种层次，你是否意识到,我想做出一些可以来回走动跳舞的人，我需要按这种方式那种方式让它转圈,并检查我是否,到了屏幕的边缘等等。

哈佛公开课 - 计算机科学课程节选

There was an edge to them, as if the whole thing could collapse on their heads.

但他们总能把握好分寸,好像在担心什么东西,垮下来的话会压死他们似的

耶鲁公开课 - 欧洲文明课程节选

"We've had past world champions that IBM has gone and employed in our Zurich research laboratory and are now working on some of the leading edge materials in science and physics.

VOA: special.2010.03.11

Another example is at the very opening of the book: The train was racing through treetops that fell away at intervals and showed the sun standing very red on the edge of the farthest woods.

在书的最开头还有一个例子：,“在树林中，火车疾驰，若隐若现,时不时地露出远方树林,边缘的火红的夕阳,一旁是弯弯曲曲。

耶鲁公开课 - 1945年后的美国小说课程节选

Australia's newest natural burial site sits in a quiet corner at Kemps Creek, on the edge of Sydney.

VOA: standard.2010.07.22

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

The House legislation contains a provision requiring a presidential report to Congress on U.S.government assurances to Israel regarding its security and maintenance of its qualitative military edge.

VOA: standard.2009.05.20

Our t = 0, you have him right on top of this edge.

设 t = 0 时他正好在楼顶的边缘

耶鲁公开课 - 基础物理课程节选

People lived on the edge of death." During the frequent droughts, Mohamed Ait Lamine and others left their families to look for work on construction sites in cities far away.

VOA: standard.2009.12.10

You can write on the edge. I don't care.

你也可以写在边缘，我不在乎。

麻省理工公开课 - 固态化学导论课程节选

Working at the leading edge of research on cellular biology and genetic skin disorders, Fuchs was the first to precisely describe keratins - the principal structural proteins of skin cells - and identify diseases caused by mutations in the keratin gene.

VOA: standard.2010.03.29

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