斷捨離：斷絕不需要的東西，捨棄多餘的廢物，脫離對物品的執著，改變30萬人的史上最強人生整理術！ (二手書交易資訊)

[{"sale_price":750,"disc":300,"prod_count":5,"sale_month":"201811","avg_price":150,"avg_disc":60},{"sale_price":3820,"disc":1529,"prod_count":28,"sale_month":"201812","avg_price":136,"avg_disc":55},{"sale_price":5956,"disc":2381,"prod_count":44,"sale_month":"201901","avg_price":135,"avg_disc":54},{"sale_price":3573,"disc":1430,"prod_count":24,"sale_month":"201902","avg_price":148,"avg_disc":60},{"sale_price":4588,"disc":1837,"prod_count":31,"sale_month":"201903","avg_price":148,"avg_disc":59},{"sale_price":3355,"disc":1343,"prod_count":24,"sale_month":"201904","avg_price":139,"avg_disc":56},{"sale_price":2313,"disc":925,"prod_count":14,"sale_month":"201905","avg_price":165,"avg_disc":66}]