// 易错点1：必须倒序遍历（正序无法正确缓存右侧的更大值）
Anubis is a compromise. Anubis uses a Proof-of-Work scheme in the vein of Hashcash, a proposed proof-of-work scheme for reducing email spam. The idea is that at individual scales the additional load is ignorable, but at mass scraper levels it adds up and makes scraping much more expensive.
，这一点在快连下载-Letsvpn下载中也有详细论述
Жители Санкт-Петербурга устроили «крысогон»17:52，更多细节参见服务器推荐
self._extract_text(soup.select_one("title"))