transient

The golden light of the sunset provided a transient beauty to the city skyline.

(Chinese) 落日的余晖为城市的轮廓线带来了一种转瞬即逝的美。

Economists believe that the recent spike in inflation is likely to be transient.

(Chinese) 经济学家认为最近通货膨胀的飙升很可能是暂时性的。