1. The less food there is, the longer it takes the forager to find it and get back. 外面的食物越少，觅食蚁就会花越多的时间寻找食物并将食物带回蚁巢。
2. But the forager needs several contacts no more than ten seconds apart before it will go out. 但是觅食工在出外之前与巡逻工的触角接触不会超过十秒钟。
3. All forager societies throughout history have had a number of important features in common that are absent from other types of societies. 讲所有历史上的forager societies有很多与重要共同特征，这是其他社会没有的。
