[{"sale_price":289,"disc":104,"prod_count":2,"sale_month":"202010","avg_price":144,"avg_disc":52},{"sale_price":140,"disc":"50","prod_count":1,"sale_month":"202011","avg_price":140,"avg_disc":50},{"sale_price":315,"disc":112,"prod_count":2,"sale_month":"202012","avg_price":157,"avg_disc":56},{"sale_price":250,"disc":90,"prod_count":2,"sale_month":"202102","avg_price":125,"avg_disc":45}]
最近成交價(折扣)