研究人员给每个人看一张“约会对象”的照片，让他们想象自己和“约会对象”一起吃饭，并让他们决定谁该为这顿饭买单。
In each case, they were shown a picture of their 'date', told to imagine they had been for dinner together, and asked to decide who should pay for the meal.
研究人员给每个人看一张“约会对象”的照片，让他们想象自己和“约会对象”一起吃饭，并让他们决定谁该为这顿饭买单。
In each case, they were shown a picture of their 'date', told to imagine they had been for dinner together, and asked to decide who should pay for the meal.
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