關於我轉生變成史萊姆這檔事（4） (二手書交易資訊)

[{"sale_price":305,"disc":109,"prod_count":2,"sale_month":"202203","avg_price":152,"avg_disc":55},{"sale_price":614,"disc":220,"prod_count":4,"sale_month":"202205","avg_price":153,"avg_disc":55},{"sale_price":160,"disc":"57","prod_count":1,"sale_month":"202206","avg_price":160,"avg_disc":57},{"sale_price":150,"disc":"54","prod_count":1,"sale_month":"202207","avg_price":150,"avg_disc":54}]