生而為GAY，我很抱歉：我的性決定我的人生 (二手書交易資訊)

[{"sale_price":587,"disc":183,"prod_count":3,"sale_month":"202010","avg_price":195,"avg_disc":61},{"sale_price":632,"disc":197,"prod_count":4,"sale_month":"202011","avg_price":158,"avg_disc":49},{"sale_price":783,"disc":245,"prod_count":4,"sale_month":"202012","avg_price":195,"avg_disc":61},{"sale_price":1245,"disc":389,"prod_count":6,"sale_month":"202101","avg_price":207,"avg_disc":65},{"sale_price":220,"disc":"69","prod_count":1,"sale_month":"202102","avg_price":220,"avg_disc":69}]