Our country hasn't established the systematic crime pre-alarming system, which need exploration and construction.

我国还没有建立系统的犯罪预警体制，需要探索、构建。

youdao

Our country hasn't established the systematic crime pre-alarming system, which need exploration and construction.

我国还没有建立系统的犯罪预警体制，需要探索、构建。

youdao