[{"sale_price":185,"disc":142,"prod_count":3,"sale_month":"202010","avg_price":61,"avg_disc":47},{"sale_price":50,"disc":"38","prod_count":1,"sale_month":"202012","avg_price":50,"avg_disc":38},{"sale_price":45,"disc":"35","prod_count":1,"sale_month":"202101","avg_price":45,"avg_disc":35},{"sale_price":119,"disc":92,"prod_count":2,"sale_month":"202102","avg_price":59,"avg_disc":46}]
最近成交價(折扣)