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。夫子对此有专业解读
在校园里，孩子们时常举起戴在手腕上的手表，彼此一碰，便加为好友。
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.