So far, Google has scanned more than 10 million titles from libraries in America and Europe - including half a million volumes held by the Bodleian in Oxford.
出自-2011年12月阅读原文
By 1500 some 20 million volumes had already been printed.
2017年12月六级真题(第一套)听力 Section B
The fundamental limitation of machine learning is that it needs to learn from large volumes of past data.
2018年12月六级真题(第二套)听力 Section C
柯林斯高阶英汉双解学习词典释义
N-COUNT
量;数额
The volume of something is the amount of it that there is.