string(342) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AA%E4%BD%93%E6%88%B7%E5%92%8C%E5%85%AC%E5%8F%B8%E7%9A%84%E5%88%A9%E5%BC%8A%E6%9C%89%E5%93%AA%E4%BA%9B%2C%E4%B8%A4%E8%80%85%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB => Failed to connect to 101.89.117.144 port 38005: Connection refused"
个体户和公司的利弊有哪些,两者有什么区别
