with the benefit of hindsight, it looks like the Internet will transform the economy at something like the pace of other great inventions like electricity.
2019年6月六级真题（第一套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
N-UNCOUNT
后见之明;事后聪明
Hindsight is the ability to understand and realize something about an event after it has happened, although you did not understand or realize it at the time.