[{"sale_price":469,"disc":112,"prod_count":2,"sale_month":"202009","avg_price":234,"avg_disc":56},{"sale_price":520,"disc":123,"prod_count":2,"sale_month":"202011","avg_price":260,"avg_disc":62},{"sale_price":160,"disc":"38","prod_count":1,"sale_month":"202012","avg_price":160,"avg_disc":38},{"sale_price":216,"disc":"51","prod_count":1,"sale_month":"202101","avg_price":216,"avg_disc":51}]
最近成交價(折扣)