Displacement usually occurs in such a way that a colourless and abstract expression of the dream - thought is exchanged for one that is pictorial and concrete.

置换的结果通常使梦念中一个无色、抽像的概念改变为图画或者是具体的形像。

youdao

I thought someone came into the bedroom, but it was just a dream.

我还以为有人进了卧室，结果只是一场梦。

《牛津词典》

He thought I was a ghost or a dream and I thought perhaps he was.

他以为我是鬼或者是梦，我以为他也许也是。

youdao

William Russell thought his dream of a hybrid boat-plane was finally taking off as he saw his Flarecraft rise above Long Island Sound one recent morning.

FORBES: A Wing and a Prayer

This is it, I thought, 200 mph--a dream I've had since I was a kid.

FORBES: One Lamborghini, One Man, 200 MPH

Among those who thought all this sounds like a Internet-broker's dream was Mark Duff, a former manager with Dow Jones.

ECONOMIST: Online trading in Asia