vertical inequality
垂直的格差
economic inequality
/suto3/google.iconvertical inequality
/suto3/Google画像検索.iconvertical inequality
/suto3/Google定義検索.icon vertical inequality
/suto3/wikipedia.iconvertical inequality
/suto3/weblio.icon vertical inequality
/suto3/kotobank.icon vertical inequality
/suto3/jisho.icon vertical inequality