Strong emotional bonds between mothers and infants increase children's willingness to explore the world—an effect that has been observed across the animal kingdom, in people, monkeys and even spiders.

母亲和婴儿之间强烈的情感纽带增强了孩子探索世界的意愿——这一效应在动物王国、人类、猴子甚至蜘蛛身上都有被观察到。