事后的想法（名词）

(noun) An object, comment, idea or explanation added after the original statement or plan.

EXAMPLE: A large swimming pool was added to the hotel as an afterthought, and unfortunately it was placed in an inconvenient location on the resort property.

这家酒店后来添设了一个大的游泳池，可惜它在度假酒店里的位置不好。