[{"sale_price":514,"disc":136,"prod_count":2,"sale_month":"202009","avg_price":257,"avg_disc":68},{"sale_price":519,"disc":137,"prod_count":2,"sale_month":"202012","avg_price":259,"avg_disc":69},{"sale_price":552,"disc":146,"prod_count":2,"sale_month":"202101","avg_price":276,"avg_disc":73},{"sale_price":210,"disc":"55","prod_count":1,"sale_month":"202102","avg_price":210,"avg_disc":55}]
最近成交價(折扣)