每日口說挑戰 為何不該在大清早上課？(Why Schools Should Start Classes Later!)

今日挑戰句子

They also warn that because this is the first study to ever examine the relationship between school start times and student retention in pre-adolescents, more research is needed before solid conclusions can be drawn.

同時研究人員也警告，該研究是首次在青春期前，將學校開課時間和學生留級率之間的關係設為研究對象，因此，目前還需要進行更多的實證。