Another measure could be encouraging friendships between children in different school years to mimic the supervised mixed-age playgroups in hunter-gatherer communities.
另一种措施可以是鼓励不同年级的孩子建立友谊，以模仿采集狩猎社会中由成人监督的混龄游戏小组。
By contrast, in hunter-gatherer societies adults other than the parents can provide almost half of a child's care.
相比之下，在采集狩猎社会中，除了父母之外的成年人都可以为孩子提供几乎一半的照顾。
An infant born to a hunter-gatherer society could have more than ten caregivers - this contrasts starkly to nursery settings in the UK where regulation can allow for a ratio of one carer to four children aged two to three.
一个在采集狩猎社会中出生的婴儿可能拥有超过十位照顾者——这与英国的托儿所环境形成鲜明对比，在英国托儿所的监管规定允许每名照顾者照顾两名至三名年龄在两到三岁的儿童。
While hunter-gatherer children learn from observation and imitation in mixed-age playgroups, researchers said that western "instructive teaching", where pupils are asked to sit still, may contribute to conditions such as attention deficit hyperactivity disorder.
虽然采集狩猎社会的儿童在混龄游戏小组中通过观察和模仿学习，但研究人员表示，西方的"指导式教学"，要求学生保持安静坐定，可能会导致注意力缺陷多动障碍等状况。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。