Each person studied had a clear-cut ethnic identity and in most cases came from a family that had lived in the group's homeland for generations.

被研究的每个人都有鲜明的种族特性，并且多数都是来自于那些已经在本族定居地生活了好几代的家族。

youdao

Mother tongue "is the first language that a person picks up and is usually the standard language or dialect of that particular ethnic group".

母语是“一个人最初学会的一种语言，在一般情况下，是本民族的标准语或某一种方言”。

youdao

This law only applies to the ethnic Chinese. A person with Italian ancestry applying for an Indonesian citizenship is allowed to keep his Italian name.

这条法律只对华人使用。一个祖先是意大利人的印尼人可以保留他的意大利名字而同时得到印尼公民身份。

youdao

Police patrols have been reinforced in regions where incidents occurred in previous polls, including in ethnic Albanian areas, where last June one person was killed and several others wounded in gun battles.

VOA: standard.2009.03.22

For businesses that engage both generalist and ethnic agencies, the person managing the agency relationships must set the tone for true collaboration and an open flow of ideas.

FORBES: Is Your Brand's Marketing Strategy 2042-Compliant?

There's something similar to last year to an Indian movie coming out about Afghanistan, and that had a scene in which one person was just speaking a derogatory remark against another person's ethnic group.

NPR: Film Roles Lead to Fear in Afghanistan

But information about ethnic background can also refine descriptions of an unknown person.

BBC: Painting a suspect's portrait with DNA