Some small ethnic groups live a closed life without communication with the outside world.

一些小的民族居住一个封闭的生活没有与外界沟通。

youdao

We will continue to increase support to ethnic groups with small populations.

继续加大对人口较少民族的扶持力度。

youdao

Surrounded by mountains and distribution between many greatly small meadows and village, which is diqing breeds ethnic people, fertile land, rodeos groups.

雪山环绕之间，分布有许多大大小小的草甸和坝子，它们是迪庆各族人民生息繁衍的地方，土地肥沃，牛马成群。

youdao

This number is exceedingly small, and shows that the superficial features, which we often think of as defining human ethnic groups, are literally only skin deep.

BBC: What is anthropological genetics?

Many of the more recent arrivals run small businesses and their primary obligation is to their extended families, both in America and abroad, and to their ethnic groups, rather than to their host city.

ECONOMIST: Los Angeles