精装本多少钱?
hardback and trade paperbacks for 'serious' nonfiction and fiction will surely last longer.“严肃的”非小说类和小说类的精装本和商业平装本肯定会持续更长时间。
E-book sales are up 146 percent over last year, while hardback sales increased 6 percent and paperbacks decreased 8 percent.电子书销量比去年增长了146%,而精装本销量增长了6%,平装本销量下降了8%。