The function of this small program is relatively powerful. The basic segments are the same as the source code segments worth 2000. It basically starts from the opening, emotions, chat, upgrade and other major categories.
Then there are N small categories under each major category for identification. In addition, it is also basic to input the other party's words or keywords to obtain related speech skills. In addition, there are various school speech skills articles and so on.
I won’t go into details because there are too many, so you can just do your own research.