下雨的人 (二手書交易資訊)

[{"sale_price":985,"disc":282,"prod_count":5,"sale_month":"202005","avg_price":197,"avg_disc":56},{"sale_price":340,"disc":97,"prod_count":2,"sale_month":"202006","avg_price":170,"avg_disc":49},{"sale_price":490,"disc":140,"prod_count":3,"sale_month":"202007","avg_price":163,"avg_disc":47},{"sale_price":374,"disc":107,"prod_count":2,"sale_month":"202008","avg_price":187,"avg_disc":54},{"sale_price":1028,"disc":294,"prod_count":6,"sale_month":"202009","avg_price":171,"avg_disc":49},{"sale_price":480,"disc":137,"prod_count":2,"sale_month":"202010","avg_price":240,"avg_disc":69}]