since you brought up the notions of 识字率和文盲率, are you saying that it is possible that one has a high level of 识字率 but cannot read? can you specify the difference of the two concepts? I got confused here. It seems to me that if one knows enough words then he or she definitely can read, am I right? What else can you do with a lot of words known but cannot use them to read? Please clarify.