離開以後，你有沒有更自由 (二手書交易資訊)

[{"sale_price":190,"disc":"54","prod_count":1,"sale_month":"202108","avg_price":190,"avg_disc":54},{"sale_price":385,"disc":110,"prod_count":2,"sale_month":"202109","avg_price":192,"avg_disc":55},{"sale_price":563,"disc":160,"prod_count":3,"sale_month":"202110","avg_price":187,"avg_disc":53},{"sale_price":190,"disc":"54","prod_count":1,"sale_month":"202112","avg_price":190,"avg_disc":54}]