Aging is basically a process that happens to inanimate objects like cars, and it also happens to us, despite the fact that we have a lot of clever self-repair mechanisms, because those self-repair mechanisms are not perfect.
老化は 無生物にも訪れます　例えば車 そして 我々のような生物にも 高い自己修復機能を持っているのに老化するのは 自己修復機能の不完全さが原因ですが