quality paperback

• 高级平装书

quality paperback的用法和样例：

例句

1. We do a special promotion of our paperback list.
   我们正在搞推销平装书的特别宣传活动。
2. Peter hopes that this textbook will be issued as a paperback, as this will increase the sales.
   彼得希望这本教科学书以平装书出版，因为这样可以增加销售量。