translation.en: But as there was still a dire shortage of donor organs, the gift of life was then extended from living, related donors to now living, unrelated donors.
translation.zh: 但是捐献器官还是非常紧缺， 接着器官再一次扩大 从活着的有血缘关系的亲属捐献者 到现在活着的没有血缘关系的非亲属捐献者。