translation.en: So the concept here: so if you do have a deceased or injured organ, we take a very small piece of that tissue, less than half the size of a postage stamp.
translation.zh: 基本上， 如果你的某个器官死亡了，或者损坏了， 我们可以在这个器官上取下一小块， 小到半个邮票的大小。