For example, she says a group of students who met in her classes now get together two times a week to talk and to bead.

VOA: special.2009.05.18

In the original city when they had to get permission to form a colony, what group of people was it that they gave permission?

在母邦里当他们要获得许可,开拓殖民地时,他们是要从哪一群体中得到许可

耶鲁公开课 - 古希腊历史简介课程节选

Well, a cross-sectional study would mean that you'd get a random group of the population and measure them in 1970 and then take another random group five years later and measure them, but it wouldn't be the same people necessarily, it would be different groups of people.

那么,横断面研究就是,1970年你在人群中随意选择一组人,并记录下相关数据,然后,五年后再随意选择一组人记录数据,但这不需要是同一组人,通常是不同的人

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Now a group of charities and celebrities has launched a campaign to get some of the money back.

VOA: standard.2010.02.18

But she came to Dress for Success, a non-profit group that helps women get back into the workforce by outfitting them with a business suit and a positive attitude.

VOA: standard.2009.12.25