She chanced upon an original copy of the book in her grandfather's attic.她在祖父的阁楼里偶然发现了这本书的原版。I cross-checked the changes against the original copy. 我对照原稿对这些修改过的地方进行了核对。He reposited the original copy of The Song of Youth to the library.他把《青春之歌》的原书放回图书馆。