现学现卖，A4 腰围，A4 纸的宽度21厘米=腰直径21厘米。腰围小于1.9 尺/小于65 厘米，就欧了！

来源: lawattaction 于 2021-03-14 11:26:54 [旧帖] [给我悄悄话] 本文已被阅读：次

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