The novel sold 200 , 000 copies in hardcover and 2 million in paperback.那本小说的精装本卖了二十万册,平装本卖了两百万册.The hardcover is more expensive.精装本比较贵.Buyers of E - books e - books a good cupper: Traditional hardcover books often coste...
All our aircraft have certificates of airworthiness.我们所有的飞机都有适航证书。Make sure you enclose all the relevant certificates.要保证把所有相关证书都放在里面。There are only two internationally recognised certificates in Teaching English as a Fo...