找出预约汽车的用例描述中的这些名词(跳过代名词，如“他”)，如下。

Let's identify and underline the nouns (skipping pronouns such as "he") in our supplemented use case for Reserve a Vehicle, as follows.

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自1980年以来，奥迪一直是汽车的卓越动力性能的代名词。

Since 1980, quattro has been a synonym for cars with outstanding driving dynamics.

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虽然偶们可以的对约翰哒汽车或玛丽哒汽车，或约翰和玛丽哒汽车谈，假如它属于他们两个，偶们是的在困难哒代名词：约翰和她哒车假如所有格之一。

While we can talk about John's car or Mary's car, or John and Mary's car if it belongs to the two of them, we are in difficulty if one of the possessives is a pronoun: John and her car.

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