The first sentence: If you are interested, join the group, QQ group 'old cat's discussion group', group number 475975207. The answer to the question is, 'just discuss, never curse'.

Sentence 2: I have a new book, so if you are interested, please read it. Intercepted part of the book's setting and reorganized it, adding a rhetoric is the companion chapter of this book, called "The Upgrade of Infinite Luck". (To be continued.) )