[{"sale_price":45,"disc":"13","prod_count":1,"sale_month":"202011","avg_price":45,"avg_disc":13},{"sale_price":438,"disc":126,"prod_count":3,"sale_month":"202012","avg_price":146,"avg_disc":42},{"sale_price":231,"disc":"66","prod_count":1,"sale_month":"202101","avg_price":231,"avg_disc":66},{"sale_price":171,"disc":"49","prod_count":1,"sale_month":"202102","avg_price":171,"avg_disc":49}]
最近成交價(折扣)