[{"sale_price":50,"disc":"28","prod_count":1,"sale_month":"202009","avg_price":50,"avg_disc":28},{"sale_price":60,"disc":"33","prod_count":1,"sale_month":"202010","avg_price":60,"avg_disc":33},{"sale_price":160,"disc":89,"prod_count":2,"sale_month":"202011","avg_price":80,"avg_disc":45},{"sale_price":45,"disc":"25","prod_count":1,"sale_month":"202102","avg_price":45,"avg_disc":25}]
最近成交價(折扣)