We got rid of the need to harvest cells from the patient, we got rid of the need to put in really fancy chemistries, and we got rid of the need to culture these scaffolds in the lab.
我们减掉了从病人身上提取细胞这一步骤， 我们减掉了使用华丽的化学反应的必要性， 我们还去掉了 在实验室里搭建这些支架的必要性。