你可以不只是上班族：斜槓創業，複業多賺多自由的27天行動計畫 (二手書交易資訊)

[{"sale_price":1033,"disc":294,"prod_count":5,"sale_month":"201806","avg_price":206,"avg_disc":59},{"sale_price":1346,"disc":385,"prod_count":6,"sale_month":"201807","avg_price":224,"avg_disc":64},{"sale_price":1279,"disc":366,"prod_count":6,"sale_month":"201808","avg_price":213,"avg_disc":61},{"sale_price":661,"disc":189,"prod_count":3,"sale_month":"201809","avg_price":220,"avg_disc":63},{"sale_price":1329,"disc":380,"prod_count":6,"sale_month":"201810","avg_price":221,"avg_disc":63},{"sale_price":963,"disc":276,"prod_count":4,"sale_month":"201811","avg_price":240,"avg_disc":69},{"sale_price":477,"disc":136,"prod_count":2,"sale_month":"201812","avg_price":238,"avg_disc":68}]