[{"sale_price":2190,"disc":575,"prod_count":9,"sale_month":"202010","avg_price":243,"avg_disc":64},{"sale_price":2922,"disc":769,"prod_count":12,"sale_month":"202011","avg_price":243,"avg_disc":64},{"sale_price":4128,"disc":1088,"prod_count":16,"sale_month":"202012","avg_price":258,"avg_disc":68},{"sale_price":1219,"disc":322,"prod_count":5,"sale_month":"202101","avg_price":243,"avg_disc":64}]
最近成交價(折扣)