我想买一个埃菲尔铁塔模型作为去过巴黎的纪念品，但是缺货了。

I wanted to buy a model of the Eiffel Tower as a souvenir of Paris, but it was out of stock.

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我要买一个小纪念品。

I want to buy a small souvenir.

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他鼓励他们参加宁家地产拍卖和买一个特别的纪念品。

He encourages them to attend the Channing familys estate auction and to buy a particular keepsake.

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