[{"sale_price":109,"disc":"34","prod_count":1,"sale_month":"202007","avg_price":109,"avg_disc":34},{"sale_price":260,"disc":82,"prod_count":2,"sale_month":"202008","avg_price":130,"avg_disc":41},{"sale_price":299,"disc":93,"prod_count":2,"sale_month":"202012","avg_price":149,"avg_disc":47},{"sale_price":630,"disc":197,"prod_count":4,"sale_month":"202101","avg_price":157,"avg_disc":49}]
最近成交價(折扣)