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.

母亲与孩子之间，那种浓烈的情感纽带增强了孩子去探知世界的意愿——这种影响广泛存在于动物王国中，像人类、猴子乃至蜘蛛的身上都有。