71.  College students know little about their future jobs.

72.  In terms of study, the main problem is that many college students don't know how to develop their academic discipline.

73.  Most importantly, schools must encourage a open environment to make students know about potential crime and know how to protect themselves.

74.  It's important to let students know the importance of life and know how to keep safe.

75.  Firstly, education on how to use nowaday's media properly is necessary, in this way, students may know its bad influence more or less.