进一退二法倍投法简介：Qin Meier, who was physically and mentally exhausted at this time, looked at the gratifying results and said with a smile: Sister Xiaoyan, it seems that we sisters are really doing the right thing together.
Qin Meier, who was physically and mentally exhausted at this time, looked at the gratifying results and said with a smile: Sister Xiaoyan, it seems that we sisters are really doing the right thing together.
