[{"sale_price":199,"disc":66,"prod_count":2,"sale_month":"202009","avg_price":99,"avg_disc":33},{"sale_price":255,"disc":85,"prod_count":2,"sale_month":"202010","avg_price":127,"avg_disc":43},{"sale_price":109,"disc":"36","prod_count":1,"sale_month":"202012","avg_price":109,"avg_disc":36},{"sale_price":110,"disc":"37","prod_count":1,"sale_month":"202101","avg_price":110,"avg_disc":37}]
最近成交價(折扣)