Now if those books are not lost to history, then they are somewhere in a library, and many of those books have been getting retrieved from the libraries and digitized by Google, which has scanned 15 million books to date.
如果这些书没有随年月而遗失 就都在图书馆里存着 谷歌已经把许多书从图书馆中调了出来 进行了数字化 被扫描的书籍到目前已有1500万册