[{"sale_price":80,"disc":"29","prod_count":1,"sale_month":"202009","avg_price":80,"avg_disc":29},{"sale_price":85,"disc":"30","prod_count":1,"sale_month":"202010","avg_price":85,"avg_disc":30},{"sale_price":45,"disc":"16","prod_count":1,"sale_month":"202012","avg_price":45,"avg_disc":16},{"sale_price":135,"disc":48,"prod_count":2,"sale_month":"202102","avg_price":67,"avg_disc":24}]
最近成交價(折扣)