horizontal inequality
水平的不平等
vertical inequality
/suto3/google.iconhorizontal inequality
/suto3/Google画像検索.iconhorizontal inequality
/suto3/Google定義検索.icon horizontal inequality
/suto3/wikipedia.iconhorizontal inequality
/suto3/weblio.icon horizontal inequality
/suto3/kotobank.icon horizontal inequality
/suto3/jisho.icon horizontal inequality