层进式倍投法简介：Boss Sun was very moved, but he couldn't let go of his two younger brothers. According to the rules, Father Sun could follow his son, but the brothers were divided into three small families and entered different villages.
Boss Sun was very moved, but he couldn't let go of his two younger brothers. According to the rules, Father Sun could follow his son, but the brothers were divided into three small families and entered different villages.
