[{"sale_price":125,"disc":"42","prod_count":1,"sale_month":"202010","avg_price":125,"avg_disc":42},{"sale_price":98,"disc":"33","prod_count":1,"sale_month":"202011","avg_price":98,"avg_disc":33},{"sale_price":91,"disc":"30","prod_count":1,"sale_month":"202101","avg_price":91,"avg_disc":30},{"sale_price":85,"disc":"28","prod_count":1,"sale_month":"202102","avg_price":85,"avg_disc":28}]
最近成交價(折扣)