大海浮夢 (二手書交易資訊)

[{"sale_price":315,"disc":"70","prod_count":1,"sale_month":"201809","avg_price":315,"avg_disc":70},{"sale_price":540,"disc":120,"prod_count":2,"sale_month":"201811","avg_price":270,"avg_disc":60},{"sale_price":315,"disc":"70","prod_count":1,"sale_month":"201812","avg_price":315,"avg_disc":70},{"sale_price":250,"disc":"56","prod_count":1,"sale_month":"201902","avg_price":250,"avg_disc":56}]