[{"sale_price":418,"disc":131,"prod_count":4,"sale_month":"202008","avg_price":104,"avg_disc":33},{"sale_price":50,"disc":"16","prod_count":1,"sale_month":"202009","avg_price":50,"avg_disc":16},{"sale_price":453,"disc":141,"prod_count":5,"sale_month":"202010","avg_price":90,"avg_disc":28},{"sale_price":302,"disc":94,"prod_count":2,"sale_month":"202011","avg_price":151,"avg_disc":47}]
最近成交價(折扣)