Recent studies suggest that as many as 5 in 1,000 new mothers are likely to have this problem.

最近的研究表明，1000个新妈妈中有多达5个可能有这个问题。

Recent studies have borne out claims that certain perfumes can bring about profound psychological changes.

最近的研究已经证实了某些香水能导致深刻的心理变化的说法。

According to recent studies, there are three main reasons that students put off doing things.

根据最近的研究，学生做事拖延主要有三个原因。

Recent studies show that we are far more productive at work if we take short breaks regularly.

最近的研究表明，如果我们定期地小憩一会，工作效率会更高。

Recent studies have shown lipoplexes to be useful in transfecting respiratory epithelial cells.

最近的研究表明脂质体在转染呼吸道上皮细胞中是有用的。