She said that, at the time the baby was conceived, she hadn’t slept with any other man, and so the boy must be his.

她说她怀孩子的时候，她没有跟比的男人发生过关系，所以这个孩子一定是他的。

youdao

With the results of this study, new mothers must be wondering, 'How can I get more sleep for both me and my baby?'

哈佛医学院及哈佛朝圣保健机构的马修•吉尔曼博士说：“新妈妈们知道这一研究结果后，一定会问，‘那怎样才能既保证孩子的睡眠，又保证我的睡眠？’

youdao

A tractor can gather the harvest better than children. Your wife may get a factory job-and now her lost wages must be set against the benefits of another baby.

拖拉机可以比子女手工收割更有效率，而你的妻子可能在工厂里有份工作- - -现在她的薪水必然能抵消多一个孩子可带来的利益。

youdao

Baby care experts had believed that babies must be fed at the same times every day or they would grow up to be demanding children.

VOA: special.2009.03.15

So, back to the Baby Bust, the question must be considered as to why we should change the clear trend in any developed country to have less people who lead happier lives?

FORBES: America's Baby Bust - Busted. Immigrants Are The Answer And The Next Generation Of Entrepreneurs

Any inquiry into baby deaths at a Cumbrian hospital must be independent of the health trust, a health minister said.

BBC: Joshua Titcombe