进一退二法倍投法优缺点简介：Me, my name is Shiraishi Gong. The old man still smiled: My slave works hard every day to fulfill your agreement, why don't you give him grass? This is too much.
Me, my name is Shiraishi Gong. The old man still smiled: My slave works hard every day to fulfill your agreement, why don't you give him grass? This is too much.
