純真 (二手書交易資訊)

[{"sale_price":446,"disc":91,"prod_count":2,"sale_month":"201909","avg_price":223,"avg_disc":46},{"sale_price":255,"disc":"52","prod_count":1,"sale_month":"201910","avg_price":255,"avg_disc":52},{"sale_price":608,"disc":124,"prod_count":2,"sale_month":"201911","avg_price":304,"avg_disc":62},{"sale_price":260,"disc":"53","prod_count":1,"sale_month":"202001","avg_price":260,"avg_disc":53}]