並前往http://savings.pixnet.net/blog/post/22021233-%E5%85%AD%E5%B9%B4%E5%84%B2%E8%93%84%E9%9A%AA%E5%8F%B0%E5%B9%A3-irr-%E5%88%86%E6%9E%90--%E9%81%A0%E9%9B%84%E5%A5%BD%E9%91%BD%E9%A4%8A%E8%80%81%E4%BF%9D%E9%9A%AA-%28