Once phones are within the system they are incredibly hard for the correctional officers to get a hold of.

一旦手机进入到监狱里面，我们的惩教人员很难抓住他们。

youdao

Once phones are within the system they are incredibly hard for the correctional officers to get a hold of.

一旦手机进入到监狱里面，我们的惩教人员很难抓住他们。

youdao