I can't think of a single study that hasn't found Americans getting less sleep than they ought to.

据我所知，没有哪项研究表明美国人得到了充足的睡眠。

youdao

At least according to this single study.

至少此项研究结果如此说明。

youdao

The person who facilitates a single study circle.

主持单一研究小组的人。

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Another recent study found that a single tillage does not harm yield or soil structure in land that is normally not tilled.

VOA: special.2010.09.28

After I wrote the book, Morningstar did a much more comprehensive study of every single one of the equity categories that they follow.

在我写完这本书之后,晨星公司对他们跟踪研究的每种股权资产,做了更进一步的研究

耶鲁公开课 - 金融市场课程节选

Even while Aristotle may deny that there is a single method appropriate to the study of politics he proposes a set of common questions that political scientists have to address.

且总是时有变迁，虽然亚里士多德,可能否定有单一方法适合研究政治,但他却也提出一套通用的问题,政治科学家必需加以探讨。

耶鲁公开课 - 政治哲学导论课程节选

There is no single study that compares jet fuel use for passenger flights versus air freight shipping.

FORBES: How Much Energy Do Individuals Actually Use?

This type of study, known as a meta-analysis, can highlight problems that no single study typically can.

CNN: Diabetes increases cancer mortality risk

Many scientists will never get a single study published in Science or Nature, the most prestigious scientific journals.

FORBES: Magazine Article