进一退二投注法简介：Bingxue leaned her back against the wall and slowly walked towards the gap at the other end. When the two were about to enter the partition wall where they were, they moved towards the next door.
Bingxue leaned her back against the wall and slowly walked towards the gap at the other end. When the two were about to enter the partition wall where they were, they moved towards the next door.
