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store the lessons, which enables them to choose the convenient time for them to study/ Students can municate with professors through when questions occur. / Reduce the cost of school buildings and the trip between home and campus/.deepen students’ memory of important knowledge/ is necessary in learning which requires memorizing things/bring a sense of belonging‘反方1. stifle the development of creativity, imagination and interest/occupy their study time/go astray easily/expose them to the dark sides of society/does harm to their mental health/fail to enjoy colorful life/ exert heavy financial burden on the student’s family/ Different way of life and culture put students’ physical and mental health at risk./ cause brain strain in the student’s homeland/ is timeconsuming/ Colleges and universities are not only places for learning but for social activities as well. / Staying before puters too long may exert negative impact on both mental and physical health of the user./ Students can get onthesite guidance from the faculty members./ Passing on knowledge is only part of the role of education. Teachers cannot be replaced in molding students’ characteristics and teaching the correct attitudes towards society and others/Teachers help students to choose information and learn it in a correct way./Teachers’ help is necessary when questions occur./ make it easier for the students to find their job/stimulate the development of economy with welltrained labor pool/facilitate understanding of theoretical knowledge6發(fā)展與污染Arguments for tourism:1. Boost the local economy, increase the government rev