莱纳斯：我相信，所以我才没结婚。而大卫连小孩子掉了牙会有仙女在枕边放钱这种童话都相信。

Linus: Yes I do. That's why I never got married. David, on the other hand, believes in the tooth fairy.

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现在，由亚利桑那大学的大卫·瑞奇连所发起的一项研究揭示了奔跑者的兴奋在其他物种中的确存在，但不是所有物种都有。

Now a study led by David Raichlen of the University of Arizona has revealed that the runner's high does exist in other species, but not in all.

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66装甲团1营第一连队的队长大卫·埃亨说，“我们为其付款”。

"We're paying them off, " says Captain David Ahern of Alpha company, 1st battalion, 66th armoured regiment.

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