一级理论和二级理论的区别

At the entrance outside the Yanggu Underground Palace, he saw two beauties, Ling'er and Xiao Leiyan, guarding the entrance to the underground palace, looking very obsessed. They immediately guessed that Ye Qiu was not with them. He immediately made a crooked idea, wanting to kidnap Ling'er and the others, and kidnap Ye Qiu's favorite thing. Then he blackmailed Ye Qiu....