With the benefit of hindsight, it's easy to say it was the wrong decision.现在说当时的决定错了是很容易的，但这是事后诸葛亮。After the water main broke, the Monday-morning quarterbacks in the media criticized the city for not replacing the old pipes.自来水总管道破裂后，媒体界的事后诸葛亮们纷纷谴责市政府没更换老管道。