只有后见之明才能制定完美的计划。

Only hindsight allows for a perfect plan to be made.

youdao

这是一个完美的计划。玩得开心点。

That's a perfect plan. Enjoy yourself.

youdao

完美的计划并不能使你避免失败或犯错。

You can't avoid failure or mistakes by making the perfect plan.

youdao

So, my perfect pre-med/bio plan was getting a little shaken right from the start, and the reason that it was getting taken was because I would learn this new principal in chemistry and because I was taking bio with the same time, I could see the connections.

所以我的完美的医学预科,和生物学的计划，从一开始就小小的动摇了,原因就是我一边学习这些化学原理,一边学生物,我可以看到两者之间的关联。

麻省理工公开课 - 化学原理课程节选