在遠方相遇 (二手書交易資訊)

[{"sale_price":330,"disc":92,"prod_count":2,"sale_month":"201806","avg_price":165,"avg_disc":46},{"sale_price":534,"disc":148,"prod_count":3,"sale_month":"201808","avg_price":178,"avg_disc":49},{"sale_price":200,"disc":"56","prod_count":1,"sale_month":"201810","avg_price":200,"avg_disc":56}]