求翻译：这说明CBI 模式在高职院校英语教学方面的研究比较薄弱，而事实上，在高职高专院校更有必要加强这方面的研究与实践。是什么意思？

This shows the CBI mode in higher vocational college English teaching research is weak, and in fact, more in the higher vocational colleges is necessary to strengthen research and practice in this area.