translation.en: And what we're looking for is whether there might be small differences among colonies in how many interactions each ant needs before it's willing to go out and forage, because a colony like that would forage less.
translation.zh: 于是我们就希望能够找到 觅食行为存在差异的蚁群之间 是否蚂蚁在觅食前交互的其它蚂蚁数量 也是存在对应差异的。 因为像那样的蚁群会更少外出觅食。