由于版权限制的关系，大部分视听资料只可在图书馆内使用。

Owing to copyright, we have to confine most of the audio and video materials for use in the library.

youdao

由于版权限制的关系，大部分视听资料只可在图书馆内使用。

Owing to copyright, we have to confine most of the audio and video materials for use in the library.

youdao