[font=-apple-system, BlinkMacSystemFont, Inter, Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"]Balzac once mentioned that a real scientist should be a visionary, and whoever is not a visionary can only call himself a practitioner. Although this passage is short, it is enough to change the history of mankind. Chekhov said that the book is the note, and the conversation is the song. This passage may seem complicated, but the logic in it is clear. After the above discussion, we are absolutely unprecedented.[/font]