I bought the ring as a souvenir of Greece.

我买了一枚戒指，留作对希腊的纪念。

《牛津词典》

You can keep that for a souvenir if you'd like.

如果你们喜欢，你们可以把那个当做一个纪念品。

youdao

In fact, I have kept a souvenir of those days: a dark green hexagonal glass spittoon that is now a very original flowerpot.

事实上，我还保留着那些日子的一个纪念品：一个深绿色六角形的玻璃痰盂，现在是一个非常别致的花盆。

youdao

The word 'souvenir' comes from a Latin word that mean's to bring to mind.

VOA: standard.2010.02.17

You can keep that for a souvenir, if you'd like.

喝彩】如果你们喜欢，你们可以把那个当做一个纪念。

哈佛公开课 - 计算机科学课程节选

But in souvenir photos of those days, more than a few metal flasks, no doubt containing something stronger than Bubble-Up, can be seen on the floor beneath the tables.

VOA: standard.2010.02.25

But this is just a souvenir T-shirt, something to take home and show friends.

CNN: 'Hanoi Hilton' now holds only painful memories

He's crippled by debt, and crippled physically too, a souvenir from the War Between the States.

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For many, the local post office is a souvenir of an America they like to remember.

ECONOMIST: America��s postal service will begin to undo itself