Unverified50% confidenceDecision RuleTime unknown

选鞋码留足内长应为『脚长+10~12mm』，超过15mm会导致踢脚、绊倒，少于8mm则3个月内必顶脚。婴幼儿脚每2-3个月长约7-9mm，建议按脚长实测而非年龄段选

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