在整理旧照片时，他重新发现了祖父母年轻时的爱情故事。

While sorting through old photos, he ___re-discovered his grandparents' love story from their youth.

多年后重读这本书，她重新发现了其中的深刻含义。

After reading the ___book again years later, she ___re-discovered its profound meaning.