translation.en: And liver will regenerate in this very nice way, but actually if we think of other tissues, like cartilage, for example, even the simplest nick and you're going to find it really difficult to regenerate your cartilage.
translation.zh: 肝会这样完美地再生， 但如果我们想一下别的组织， 比如像软骨， 哪怕是最简单的小切口， 软骨都很难再生出来。