argument from poor design
Atavism
Vestigiality
Maladaptation
Human vestigiality
/suto3/google.icon
argument from poor design
/suto3/Google画像検索.icon
argument from poor design
/suto3/Google定義検索.icon
argument from poor design
/suto3/wikipedia.icon
argument from poor design
/suto3/weblio.icon
argument from poor design
/suto3/kotobank.icon
argument from poor design
/suto3/jisho.icon
argument from poor design