並前往https://www.iredpage.com/knowledge/summary/%E6%9D%BE%E8%B0%B7%E5%8D%93before%20after%E5%85%A8%E8%83%BD%E4%BD%8F%E5%AE%85%E6%94%B9%E9%80%A0%E7%8E%8B%E9%85%8D%E6%A8%82/1