He knew all the local languages and dialects.

他通晓当地所有的语言和方言。

youdao

Television broadcasting in local languages, however, is costly and tricky.

但是用当地语言进行广播电视是昂贵的和棘手的。

youdao

Television broadcasting in local languages, however, is costly and tricky.

但是用当地语言进行广播电视是昂贵的和棘手的。

youdao