先倍投然后反倍投

简介：ps: I recommend a friend’s book, which is also an online game, called Forbidden Gods and Demons. Please support me when you have time. Also, friends who join the group should pay attention to the group rules. If you violate the group rules, you will be banned or kicked out. Thank you for your cooperation and understanding. Group management, if the management is wrong, report it to Xiaoye, and Xiaoye will remove the management!