杂志里一篇描述刘晓波的文章
When he was diagnosed with liver cancer in May,
he was not permitted to leave the country to
seek treatment. His voice was finally silenced
on July 13, but his life speaks volumes.
字典里 speak volume 的意思是“充分说明”
在这段文字中,speak volume 是指充分说明什么呢?
谢谢!