It's better to sell used books

旧书───secondhand book;卖───sell

I lighted on a rare book in a secondhand bookshop.───我在一家旧书店里偶然发现一本珍本书。

He happened on the book in a secondhand bookstore.───他在旧书店里偶然发现了这本书。

In the search for silver linings, I conclude that this can only be good news for secondhand book dealers.───在寻找一线希望时，我得出了这只能对二手书商是好消息的结论。

Let me see. Red hair, vacant expressions tatty , secondhand book.───让我想想，红色的头发，呆滞的表情，衣衫褴褛，二手课本。

Most of Liuwei's book collection came from secondhand-book markets, Liuwei said that their old look helped to breath life into the books.───刘为的藏书大部分来自旧书市场，刘为说从旧书中可以感受到人的气息。