But critics allege that by making electronic copies of these books without first seeking the permission of copyright holders, Google has committed piracy.
出自-2011年12月阅读原文
柯林斯高阶英汉双解学习词典释义
VERB
(未提出证据而)断言,指称,声称
If you allege that something bad is true, you say it but do not prove it.