求翻译：我认为学生因参加课外活动而不去上课是不正确的，因为学生的主要任务是学习，只有学有余力的前提下才应该考虑参加课外活动，如果因为活动而荒废学业，却是得不偿失的。参加课外活动可以丰富我们的大学生活，锻炼我们与人交往的能力。但是这一切的前提是在要搞好学习。是什么意思？

I think that students who participate in extracurricular activities rather than go to class is not correct, because the students' main task is to learn, only school under the premise of spare capacity should be considered to participate in extracurricular activities if the activities are abandoned s

I think that the students participating in extra-curricular activities that do not go to class not to be true, because the student's main task is to learn, it is only with the spare should be considered the extra-curricular activities, if they neglect their studies and activities, but it is worth. P

I thought but the student because of participates in the extracurricular activity not to attend class is not correct, because student's primary mission is the study, only then study has under the ample force premise only then to be supposed to consider the participation extracurricular activity, if

I think that student participation in extracurricular activities instead of class is not correct, because the main task of the student is learning, should be considered only under the premise of extracurriculars, abandoned their studies because of activities, but would not pay off. Participation in

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