[{"sale_price":170,"disc":"53","prod_count":1,"sale_month":"201907","avg_price":170,"avg_disc":53},{"sale_price":130,"disc":"41","prod_count":1,"sale_month":"201910","avg_price":130,"avg_disc":41},{"sale_price":170,"disc":"53","prod_count":1,"sale_month":"201911","avg_price":170,"avg_disc":53},{"sale_price":180,"disc":"56","prod_count":1,"sale_month":"201912","avg_price":180,"avg_disc":56}]
最近成交價(折扣)