进一退二法倍投法简介：Gongsun Rou was unmoved and just shook his head lightly: "If you come out to play with me, then I will be responsible for you." The situation inside is unknown, what if there is danger?
Gongsun Rou was unmoved and just shook his head lightly: "If you come out to play with me, then I will be responsible for you." The situation inside is unknown, what if there is danger?
