Of course it may happen that a large number of students will transfer into one particular department, but some universities abroad just let it happen. Their thinking is that, if that many people want to study something, then let them try.
當然可能發生大量學生轉到某一科系去，但國外有些大學就讓它發生，他們的想法是，既然那麼多人想學，就讓他們學學看。