We have our own language, but not a written language of our own.

只有自己的语言，但没有自己的文字。

youdao

"If you didn't have a written language, you'd be the odd man out," McGrath says.

“如果你不懂书面语，你将会是个格格不入的人，”麦格拉思说。

youdao

A written language is the representation of a language by means of a writing system.

书面语是指用书写系统表现的语文。

youdao

In the absence of a written language, these patterns record the history and legends of Li culture as well as aspects of worship, taboos, beliefs, traditions and folkways.

UNESCO: Culture

It made Creole a written language.

UNESCO: Jean-transcript | United Nations Educational, Scientific and Cultural Organization

Instead, he looked straight at Tengo as if he were reading a bulletin written in a foreign language.

NEWYORKER: Town of Cats