[{"sale_price":90,"disc":"36","prod_count":1,"sale_month":"202009","avg_price":90,"avg_disc":36},{"sale_price":80,"disc":"32","prod_count":1,"sale_month":"202012","avg_price":80,"avg_disc":32},{"sale_price":86,"disc":"34","prod_count":1,"sale_month":"202101","avg_price":86,"avg_disc":34},{"sale_price":60,"disc":"24","prod_count":1,"sale_month":"202102","avg_price":60,"avg_disc":24}]
最近成交價(折扣)