您要查找的是不是：
- The only existing copy; the only copy extant 孤本
- Don't modify the only copy of a page! 不要修改只有一份副本的网页!
- It was said that this was the only copy of the book in existence. 据说这是该书仅存的一本了。
- This is the only copy left. Please return it as soon as you finish reading it. 就这一本了，看完请马上还。
- The general rule is to hit save every half page or so Never have the only copy of your work saved on a single floppy disk. 一般规则是每打半页左右就存盘。别把你的文件只保存在一张软盘上。
- Bibliotheca Alexandrina maintains the only copy and external backup of the Internet Archive. 并且a原稿恢复实验室.;图书馆的建筑学相等地触击。
- The only copy of our most recent efforts is sitting on a crappy, laptop-grade hard disk which gets physically moved four times a day and never gets backed up. 这个包含了我们最近的努力的唯一的拷贝却被置于没有价值的地位，随移动硬盘物理上一天移动四次，而且从不备份。
- This is the only picture extant of a stereognathus. 这是仅存的一幅始祖鸟画像。
- Indeed, the test was so successful that Dr Bergmann hopes to obtain images that will reveal missing text from "The Method of Mechanical Theorems", the only copy of which is contained in the palimpsest. 这项顺利的探测让博格曼博士希望能够获得“机械定理的方法”上失落的文字的图像，这个著作唯一的抄本仅存于重写本上。
- That was the only thing they could count on. 那是他们唯一依靠的东西。
- That is the only way to water down its influence. 这是冲淡它的影响的唯一办法。
- The only way to do that is to reduce expenses. 做到这一点的唯一办法是减少开支。
- Hard graft is the only way to succeed in business. 艰苦奋斗是在事业上成功的唯一途径。
- He is the only legal heir of the rich man. 他是这位富翁的唯一法定继承人。
- Failure is the only highroad to success. 失败是通往成功的唯一之路。
- He was the only human being on the island. 他是那个岛上唯一的人。
- This was the only available room. 只剩下那个房间可用了。
- The only copies he had been able to lay hands on were old Delphin editions, because they were superseded, and therefore cheap. 他弄到的几本书都是陈旧的德尔芬版，因为早已过时，由新版取而代之，所以不值钱。
- He is the only person for the position. 他是担任此职位的最佳人选。
- This package will carry one of the only copies of the Codex of Caine left in existence, and will be the last piece in my complex puzzle. 这套方案将进行唯一一个副本的食品法典委员会的坚左存在，而且将成为最后一块在我国复杂的拼图。
