direct cost
直接費
https://source.unsplash.com/featured/?direct-cost#.png
/suto3/google.icondirect cost
/suto3/Google画像検索.icondirect cost
/suto3/Google定義検索.icon direct cost
/suto3/wikipedia.icondirect cost
/suto3/weblio.icon direct cost
/suto3/kotobank.icon direct cost
/suto3/jisho.icon direct cost