paper: “notebook paper with faint ruled lines”
url: https://example.com/hello。Line官方版本下载是该领域的重要参考
，详情可参考51吃瓜
const input = Stream.pull(readable, transform1, transform2);
from urllib.parse import urljoin, urlparse，推荐阅读服务器推荐获取更多信息
"Today's data adds to the picture of a generation up against real and complex barriers to finding a good job and improving their living standards.