並前往https://ruby2phoebe.pixnet.net/blog/post/221160747-%EF%BC%BB%E8%82%B2%E5%85%92-%E5%A5%BD%E7%89%A9%E6%8E%A8%E8%96%A6%EF%BC%BD%E5%AA%BD%E5%AA%BD%E5%A5%BD%E7%89%A9-costco%E5%A5%BD%E5%B8%82%E5%A4%9A-%E6%97%A5%E6%9C%AC