[{"sale_price":257,"disc":78,"prod_count":2,"sale_month":"202008","avg_price":128,"avg_disc":39},{"sale_price":90,"disc":28,"prod_count":2,"sale_month":"202009","avg_price":45,"avg_disc":14},{"sale_price":129,"disc":"39","prod_count":1,"sale_month":"202012","avg_price":129,"avg_disc":39},{"sale_price":130,"disc":"39","prod_count":1,"sale_month":"202101","avg_price":130,"avg_disc":39}]
最近成交價(折扣)