一级理论和二级理论的区别

Now it seems that not all the people in the old Xiao family were bad. Xiao Guoqing and his wife did not seem to laugh at him. Ji Feng vaguely remembered that he did live in Xiao Guoqing's house, and because he was bullied, Also because of fear, he hid in the room with the red wooden door every day, unwilling to go out....