What can be done to prevent school violence and ensure the safety of students at school?谢谢了

What can be done to prevent school violence and ensure the safety of students at school?谢谢了
What can be done to prevent school violence and ensure the safety of students at school?谢谢了

What can be done to prevent school violence and ensure the safety of students at school?谢谢了
如何防止校园犯罪并确保在校学生的人身安全?

to install some video cameras to supervise students,and teach students to be more tolerant

如何防止校园暴力，并确保在校学生的安全？

华科的？