It is a strange fact of life that we often talk to strangers more politely than we do those we are close to.

生活中有这样一个奇怪的事实，对陌生人讲话总是比对亲密的人讲话更礼貌。

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Elephants live in families that are very much like our human families, though theirs are often larger than ours and elephants spend more time in close company than we do.

大象的家庭其实非常像我们人类的，只是牠们的往往更大，而牠们也花更多的时间与家人相伴。

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She's two years younger than I and we are so close so we see each other more than twice in a month.

她比我小两岁，我们俩很亲密，每个月都要见面两次多。

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We give storytellers we have a relationship with more credibility than we give strangers, and stories that are close to us more weight than stories from foreign lands.

CNN: Stop the panic on air security

So we are beginning today discussions with our unions to likely close more than 100 air traffic control towers at airports with fewer than 150, 000 flight operations per year.

WHITEHOUSE: Press Briefing

We are exposed to and spread more information from our distant contacts than our close friends.

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