Brain scans even show that individual brain cells are fired in response to any given face.

脑部扫描也发现，脑细胞接受到脸部讯息时会有明显的反应。

It is often a winning card. In one kind of poker game, the first card to each player is given face down.

通常意味着胜利。在一种纸牌游戏中，玩家拿到的第一张牌都是面朝下。

(Laughter) But I mean, on the plus side, he has given the sloth a remarkably humanlike face, and sloths do have remarkably humanlike faces.

（笑声） 但我的意思是， 从好的方面来说，他给了树懒一张非常像人的脸， 而树懒确实有非常像人的脸。