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In his Matching Soulmates paper in the journal of Public Economic Theory, everyone is in a computer simulated dating pool, where thousands of digitally created daters rank each other. His algorithm picks "first‑order soulmates": pairs who choose each other in a stable matching. It removes them, and runs it again with those left, and you get second‑order soulmates, and so on.
，这一点在51吃瓜中也有详细论述
published = extract_text(soup.select_one("time"))，详情可参考服务器推荐
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Four years later, he tried again.