一级理论和二级理论的区别

This time Qin Shujie had no choice. She even wanted to stand up and leave. She didn't intend to continue to fight with them here, but she was unwilling to do so. If she left like this, she and Ji Feng might not be able to break through the layer. Window paper, and even if it succeeds, it may have to go through many twists and turns....