The worm painting house is an autonomous online leasing house. A large collection of classic children's books is available to members. If you register as a member, choose a suitable reading plan, pay the corresponding fee, and light mouse, you will be able to borrow the next order. We will exchange our books in the agreed manner (receiving the last loan and delivering this book). Painting is expensive and easy to read. If your little friend reads four drawings a week at an average price of $20 per book, it will cost $20452 = $4160 if you buy it. Moreover, going to libraries or physical bookstores has time costs in addition to transportation costs. It would take at least two hours for the current traffic to go back and find a book, bearing in mind the cost of petrol and parking and the need to pay back the loan. At nine or ten o'clock, you'll have to buy a drink or even eat on the way out of the book... And if you choose the worm painting house, it'll cost you $880 a year. A year can...