[{"sale_price":150,"disc":143,"prod_count":3,"sale_month":"202009","avg_price":50,"avg_disc":48},{"sale_price":155,"disc":148,"prod_count":3,"sale_month":"202010","avg_price":51,"avg_disc":49},{"sale_price":110,"disc":105,"prod_count":2,"sale_month":"202012","avg_price":55,"avg_disc":53},{"sale_price":55,"disc":"52","prod_count":1,"sale_month":"202102","avg_price":55,"avg_disc":52}]
最近成交價(折扣)