[{"sale_price":212,"disc":75,"prod_count":2,"sale_month":"202009","avg_price":106,"avg_disc":38},{"sale_price":212,"disc":76,"prod_count":2,"sale_month":"202011","avg_price":106,"avg_disc":38},{"sale_price":184,"disc":66,"prod_count":2,"sale_month":"202012","avg_price":92,"avg_disc":33},{"sale_price":109,"disc":39,"prod_count":2,"sale_month":"202102","avg_price":54,"avg_disc":20}]
最近成交價(折扣)