我是一個媽媽，我需要柏金包！：耶魯人類學家的曼哈頓上東區臥底觀察 (二手書交易資訊)

[{"sale_price":1298,"disc":372,"prod_count":7,"sale_month":"202201","avg_price":185,"avg_disc":53},{"sale_price":845,"disc":242,"prod_count":4,"sale_month":"202202","avg_price":211,"avg_disc":61},{"sale_price":460,"disc":132,"prod_count":3,"sale_month":"202203","avg_price":153,"avg_disc":44},{"sale_price":749,"disc":214,"prod_count":5,"sale_month":"202204","avg_price":149,"avg_disc":43},{"sale_price":115,"disc":"33","prod_count":1,"sale_month":"202205","avg_price":115,"avg_disc":33},{"sale_price":564,"disc":162,"prod_count":4,"sale_month":"202206","avg_price":141,"avg_disc":41}]