[{"sale_price":448,"disc":140,"prod_count":2,"sale_month":"202010","avg_price":224,"avg_disc":70},{"sale_price":234,"disc":"73","prod_count":1,"sale_month":"202011","avg_price":234,"avg_disc":73},{"sale_price":140,"disc":"44","prod_count":1,"sale_month":"202101","avg_price":140,"avg_disc":44},{"sale_price":200,"disc":"63","prod_count":1,"sale_month":"202102","avg_price":200,"avg_disc":63}]
最近成交價(折扣)