1, when the book is used, I hate myself for not studying hard when I need this knowledge. It means that many things, unless experienced personally, don't know how difficult it is.
2, the book is used, you are not so annoying. If you don't know how difficult reading is, you can doubt it. If you doubt, you can open it.
Self-evaluation in resume is a part that HR people pay close attention to, but how should we write this part? The following is my self-