We know that children who are healthier do not require medical treatment or care, both of which cost time and money. So, by avoiding illness, infants have a greater chance of growing into healthier children who are able to attend school and become more productive members of society.
原因很简单。我们知道，健康的儿童不需要医治和看护，这两者都需要耗时耗钱。因此，通过避免病痛，婴儿有更大的机会成长为健康儿童，能够去学校上学，成为生产率更高的社会成员。