对历史学者来说,这批民间书信是一座研究社会变迁的宝藏。Duì lìshǐ xuézhě lái shuō, zhè pī mínjiān shūxìn shì yí zuò yánjiū shèhuì biànqiān de bǎozàng.For historians, this collection of folk letters is a treasure for studying social change.
孩子们在院子里挖出了一个旧铁盒,以为是宝藏。Háizimen zài yuànzi lǐ wā chū le yí ge jiù tiěhé, yǐwéi shì bǎozàng.The children dug up an old tin box in the yard and thought it was treasure.
这个小镇的老菜市场是美食爱好者的宝藏。Zhè ge xiǎozhèn de lǎo càishìchǎng shì měishí àihàozhě de bǎozàng.This town's old food market is a treasure for food lovers.