souvenir

我保留了这张票作为旅行的纪念品。

I kept the ticket as a ___souvenir of my trip.

她买了一个钥匙链作为假期的纪念品。

She bought a keychain as a ___souvenir from her vacation.

他从摇滚音乐会上给我带回了一件纪念T恤。

He brought me back a ___souvenir t-shirt from the rock concert.