That makes an effort by Google, to burrow deep into the leading US research libraries to make digital copies of all the works it can lay its hands on, seem both ambitious and quixotic.

• 这让谷歌的一项努力看起来既雄心万丈又不切实际。谷歌对美国顶尖研究图书馆进行深度挖掘，为它能得到的所有著作制作数字副本。