This is the second book. It was very poorly written and still has many shortcomings. It's finished. . . . . . . . . . . . . . . . . . . . . . . . Typing is such a headache, 2,000 words a day, I am scratching my head and scratching my head every day, coding is so difficult, how on earth do other people achieve 4,000 words a day, I admire you.
