[{"sale_price":170,"disc":"40","prod_count":1,"sale_month":"202008","avg_price":170,"avg_disc":40},{"sale_price":110,"disc":"26","prod_count":1,"sale_month":"202010","avg_price":110,"avg_disc":26},{"sale_price":102,"disc":"24","prod_count":1,"sale_month":"202012","avg_price":102,"avg_disc":24},{"sale_price":109,"disc":"26","prod_count":1,"sale_month":"202102","avg_price":109,"avg_disc":26}]
最近成交價(折扣)