[{"sale_price":210,"disc":"60","prod_count":1,"sale_month":"202101","avg_price":210,"avg_disc":60},{"sale_price":220,"disc":"63","prod_count":1,"sale_month":"202102","avg_price":220,"avg_disc":63},{"sale_price":498,"disc":142,"prod_count":2,"sale_month":"202103","avg_price":249,"avg_disc":71},{"sale_price":200,"disc":"57","prod_count":1,"sale_month":"202104","avg_price":200,"avg_disc":57}]
最近成交價(折扣)