Remanufacturing aims to upgrade the product – improve its quality and performance, for example with additional functions and features.

再制造旨在升级产品——提高其质量和性能，例如增加功能和特性。

The technology involved is gene therapy, in which a gene is carried into an organism's body, usually by a modified virus, in order to fulfil some additional function.

所涉及的技术是基因治疗，通常通过改良的病毒将基因带入生物体体内，以实现一些额外的功能。