retrospect

n. 回顾
v. 回顾,回想,追溯[反]foresee

One's school life seems happier in retrospect than in reality.

人们的学校生活回想起来要比实际上的快乐。

One's school life seem happier in retrospect than in reality.

学校生活回忆起来显得比实际上要快乐。