在同一种语言的不同语系上也是如此。

This is true of different dialects within a language.

youdao

他们说的全是同一种语言的不同变体，以前肯定都属于印欧语系语言。

They all spoke variants of what once must have been the same language, Aryan.

youdao

西班牙语、法语、意大利语和葡萄牙语从本质上说是同一种语言的不同方言。

Spanish, French, Italian and Portuguese are essentially dialects of the same language.

youdao

People who speak the same language could understand the people of northern Afghnastan who don't require 200,000 dollars a year as the sallary.

说同一种语言的人们可以理解阿富汗北部人们,这些人也不会要求年薪200，000，美元。

普林斯顿公开课 - 国际座谈会课程节选

You really have, therefore, for in some way the first time in history, a dream of making all of his empire basically universal, a dream of a universal vision, for one world, under one kind of culture, one kind of language.

因此某种程度上说，这是历史上第一次出现，梦想建立统一的帝国，同一个世界的愿景，同一种文化，同一种语言。

耶鲁公开课 - 新约课程节选