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。
They ought to improve their carer-to-child ratio.
他们应当提高护理人员与儿童比例。
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。