nostalgia

Finding his old childhood toys in the attic filled him with a deep sense of nostalgia.

(Chinese) 在阁楼里发现儿时的旧玩具让他充满了深深的怀旧之情。

The theme park was designed to evoke nostalgia for the simpler times of the 1950s.

(Chinese) 那个主题公园旨在唤起人们对20世纪50年代单纯时光的怀念。