string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BD%91%E7%BB%9C%E9%94%80%E5%94%AE%E7%9A%84%E5%B7%A5%E4%BD%9C%E6%8F%8F%E8%BF%B0%E6%80%8E%E4%B9%88%E5%86%99 => Failed to connect to 14.116.215.7 port 38230: Connection refused"
网络销售的工作描述怎么写
