手作必修課！百變袋中袋 (二手書交易資訊)

[{"sale_price":115,"disc":"33","prod_count":1,"sale_month":"202007","avg_price":115,"avg_disc":33},{"sale_price":210,"disc":"60","prod_count":1,"sale_month":"202009","avg_price":210,"avg_disc":60},{"sale_price":209,"disc":"60","prod_count":1,"sale_month":"202012","avg_price":209,"avg_disc":60}]