So some parents now are choosing to save the cord blood, have it frozen, locked away somewhere just in case its useful to their child later in life.

一些父母现在选择保存脐带血,冷冻储存起来,保存在某个地方以防万一,也许孩子将来用得着

耶鲁公开课 - 生物医学工程探索课程节选