string(267) "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%E4%BB%80%E4%B9%88%E7%9A%84%E5%8F%A5%E5%BC%8F => Failed to connect to 101.89.117.144 port 38017: Connection refused"
诫子书运用了什么的句式
