並前往https://a220228927.pixnet.net/blog/post/9407737-word-%E4%B8%AD%E7%94%A8%E6%96%BC%E7%9A%84%E5%B9%B4%E8%B3%87%E8%88%87%E5%B9%B4%E9%BD%A1%E7%9A%84%E8%A8%88%E7%AE%97%E5%87%BD%E6%95%B8----datedif
