{"product_id":"unknown-cao-zuo-xi-tong-she-ji-yuan-li-9787030471000","title":"操作系统设计原理","description":null,"brand":"momoxbooks","offers":[{"title":"Default Title","offer_id":53763780346198,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false}],"url":"https:\/\/www.momoxbooks.com\/products\/unknown-cao-zuo-xi-tong-she-ji-yuan-li-9787030471000","provider":"momoxbooks","version":"1.0","type":"link"}