分成兩半的子爵 (二手書交易資訊)

[{"sale_price":115,"disc":"77","prod_count":1,"sale_month":"201907","avg_price":115,"avg_disc":77},{"sale_price":110,"disc":"73","prod_count":1,"sale_month":"201908","avg_price":110,"avg_disc":73},{"sale_price":100,"disc":"67","prod_count":1,"sale_month":"201910","avg_price":100,"avg_disc":67},{"sale_price":314,"disc":209,"prod_count":3,"sale_month":"201911","avg_price":104,"avg_disc":70}]