上海免费数据中一些有意思的案情https://www.reddit.com/r/real_China_irl/comments/vq7xi0/
隔壁https://www.reddit.com/r/real_China_irl/comments/vq8no9/如果上海免费数据是随机跳出来的那我可能发现了生育率的秘密
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