Was that a relative, a friend, an acquaintance, or a stranger?

亲戚，朋友，熟人还是陌生人？

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Why does my face show every smile that I have ever given to a friend or a stranger?

为什么我会笑对朋友，也会笑对陌生人?

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It's the chitchat we share with the clerk at the grocery store or a stranger at a party.

这是我们与杂货店里的销售员或者派对上的陌生人的闲聊。

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Then when a stranger approaches or someone else approaches there they'll tend to give more of a greeting smile.

当陌生人或其他人接近时,他们是问候式微笑。

耶鲁公开课 - 心理学导论课程节选

Or if you're having a simple conversation with a stranger or a friend,

如果你是在和一个陌生人或朋友简单交谈，

Who 课堂 - SpeakingMax英语口语达人

Here are a few laws that express the idea that the experience of slavery and liberation should be the wellspring for moral action. It should be the impetus for moral action. Exodus 22:20: "You shall not wrong a stranger or oppress him, for you were strangers in the land of Egypt."

这里有几条法律可以说明奴隶制和解放的历史经历,应该是道德行为的源泉，它应该是,道德行为的动力，《出埃及记》第22章21节提到，“不可亏负,寄居的，也不可欺压他，因为你们在埃及地也作过寄居的“

耶鲁公开课 - 旧约导论课程节选

It is irrelevant whether your saving is maximized by hiring your cousin or a stranger in Bangladesh.

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Who makes a better business partner, a loyal friend or family member that you can trust or a relative stranger with a great CV but no relationship?

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The dispatcher suggests the nurse find another staff member - a gardener perhaps - or a passing stranger to help.

BBC: Lorraine Bayless death: Inquiry after nurse refuses CPR