每一次，科学家都将同样表情的照片放在一起，只是在其中的一张中，图中的人目光直视镜头，而另一张则目光转移了。
In each case, the scientists made up pairs of images which were identical except that in one the person was looking directly at the camera and in the other their gaze was averted.
一间卧室里摆放了一张双人床，另一间则放着男孩们的几张单人床。
One bedroom had a double bed and the other had single beds for the boys.
布莱恩用木头做了一张床，杰西卡则把旧枕头剪成床垫。
Bryan built a bed from pieces of wood while Jessica cut up old pillows to use as a mattress.
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