To be honest, for me to say that more convenient, in reading articles I have a headache, after reading once after forgetting the specific content of what is told, and then I will help me with the help of the summary function to help me sort out the theme of the article, and then I have a lot of PDF is not related to the problem will also be accustomed to the use of AI to help me answer the answer to the answer is very satisfactory, I hope that UPDF can be more and more good😊