奴隸標記（全） (二手書交易資訊)

[{"sale_price":236,"disc":169,"prod_count":3,"sale_month":"201802","avg_price":78,"avg_disc":56},{"sale_price":90,"disc":"64","prod_count":1,"sale_month":"201803","avg_price":90,"avg_disc":64},{"sale_price":434,"disc":310,"prod_count":5,"sale_month":"201804","avg_price":86,"avg_disc":62},{"sale_price":320,"disc":229,"prod_count":5,"sale_month":"201805","avg_price":64,"avg_disc":46},{"sale_price":164,"disc":117,"prod_count":2,"sale_month":"201806","avg_price":82,"avg_disc":59}]