in retrospect造句

The debate seems, in retrospect, to have been fixed from the beginning.
回想起来，这场辩论好像从一开始就被人操纵了。

It was , in retrospect, the happiest day of her life.
回想起来, 那是她一生最幸福的日子.

In retrospect it's obvious how we went wrong.
回想起来,我们是如何出的错就很明显了.