やはり国産が一番だな https://rio.st/2010/05/07/%e3%82%84%e3%81%af%e3%82%8a%e5%9b%bd%e7%94%a3%e3%81%8c%e4%b8%80%e7%95%aa%e3%81%a0%e3%81%aa/