string(303) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%AF%AB%E5%AD%90%E4%B9%A6%E8%BF%90%E7%94%A8%E4%BA%86%E5%93%AA%E4%BA%9B%E5%86%99%E4%BD%9C%E6%89%8B%E6%B3%95%E5%92%8C%E6%96%B9%E6%B3%95 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
诫子书运用了哪些写作手法和方法
