由于这些结构的出现可以追溯到各代祖先，所以它们可以作为进化的标志；没有一个生物体身上的退化器官是祖先没有的。

Because these structures can be traced back through the ancestors, they essentially serve as a marker of evolution; no organism can have a vestigial organ that hasn't been found in its forefathers.

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跟退化结构相似的概念还有返祖现象，它的意思是生物体身上重新出现直系祖先没有的结构或特征。

Similar in concept to vestigial structures are atavisms, which are the reappearance of a structure or trait that isn't found in the immediate ancestors.

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粉红是跟爱和原谅有关的光线，会在生物体的退化、受伤、溃烂部位触发自我疗愈序列。

Pink is associated with the ray of love and forgiveness and triggers sequences of self healing in degenerated, wounded or decayed regions of the biology.

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