possession

The traveler kept his most valuable possession, a gold watch, in a locked safe.

(Chinese) 这位旅客将他最珍贵的财产——一块金表，锁在保险箱里。

When the fire broke out, she realized that memories were more important than any physical possession.

(Chinese) 当火灾发生时，她意识到回忆比任何物质财富都重要。