However, some concerns remain, one of the most important of which is that many teachers do not want to work in rural and remote areas where lack of teaching materials is a persistent problem.
不过，一些问题仍然令人担忧，其中最重要的一个问题是许多教师不想在农村和偏远地区工作，那里仍存在的一个问题是缺乏教学材料。