[{"sale_price":291,"disc":84,"prod_count":3,"sale_month":"202008","avg_price":97,"avg_disc":28},{"sale_price":306,"disc":87,"prod_count":3,"sale_month":"202010","avg_price":102,"avg_disc":29},{"sale_price":375,"disc":107,"prod_count":3,"sale_month":"202011","avg_price":125,"avg_disc":36},{"sale_price":418,"disc":120,"prod_count":3,"sale_month":"202012","avg_price":139,"avg_disc":40}]
最近成交價(折扣)