[{"sale_price":421,"disc":192,"prod_count":3,"sale_month":"202008","avg_price":140,"avg_disc":64},{"sale_price":164,"disc":"75","prod_count":1,"sale_month":"202010","avg_price":164,"avg_disc":75},{"sale_price":131,"disc":"60","prod_count":1,"sale_month":"202011","avg_price":131,"avg_disc":60},{"sale_price":130,"disc":"59","prod_count":1,"sale_month":"202012","avg_price":130,"avg_disc":59}]
最近成交價(折扣)