在西方，人们对于和一个似曾相识的陌生人打招呼不会太尴尬。

In Western countries, people are usually not shy about walking up to a pure stranger who seems familiar.

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几天前，我们还是不相识的陌生人，今天，我们是要说再见的朋友。

Days ago, we met as strangers, today, we say goodbye to each other as friends.

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杰瑞和瑞秋原本是互不相识的陌生人，因为一通神秘电话让他们被迫在一起。

Jerry and Rachel are two strangers thrown together by a mysterious phone call from a woman they have never met.

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