Kiki Cuyler
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Kiki Cuyler 发布了更新 6年 之前
Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)
Kiki Cuyler 发布了更新 6年 之前
Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)