The study is rare in current domestic research, especially due to extraordinary shortage of materials.

这部分内容在国内对于企业的研究是很少见的，资料也非常短缺。

youdao

The study is rare in current domestic research, especially due to extraordinary shortage of materials.

这部分内容在国内对于企业的研究是很少见的，资料也非常短缺。

youdao