string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E7%BA%A7%E8%B4%A2%E5%8A%A1%E4%BC%9A%E8%AE%A1%E8%AF%BE%E5%90%8E%E9%A2%98%E5%8F%8A%E7%AD%94%E6%A1%88 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
中级财务会计课后题及答案
