傣族人有自己的语言和文字。

The Dai people have their own language and characters.

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语言和文字是人们最重要的交际工具。

Speech and writing are the man's most important methods of communication.

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然后，出现了语言和文字。

Then spoken and written languages developed.

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汉族有自己的语言和文字。

The Han people have their own spoken an written languages.

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我们在写文章时要使用规范化的语言和文字。

We should use standard language and characters when writing an article.

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我们在写文章时要使用规范化的语言和文字。

We should use standard language and characters when writing an article.

youdao