"This gives students an overview of the grammar." But Zhang also says teachers shouldn't spend too much time explaining the inner workings of grammar. He feels that students gradually come to a natural understanding of the language as they acquire more knowledge of it.
「好處是讓學生對俄語語法有個全面認識，」但他也表示，不必花太多時間解釋，因為隨著累積的知識增加，學生自然會逐漸體會。