Studies have shown that over time, most humans need eight to eight and a half hours of sleep for the best health.

VOA: special.2009.08.26

And over time,as a result of many of these studies, result of examination result of asking also the right questions, I have become happier.

随着时间的推移，出现了很多这类研究，由于提出了正确的问题，我变得更快乐。

哈佛公开课 - 幸福课课程节选

When, you know, studies is like getting really hard because it's like midterm time or final time.

每当期中或期末考试来临，功课很难的时候，

想吃中餐的时候 - SpeakingMax英语口语达人

Miz Mead began her studies of cultures in an unusual way for a woman of her time.

VOA: special.2010.01.17

And basically other interesting activities we did, weather studies, and time zone studies, which is part of the geography, and lots and lots of information.

还有其他一些有意思的活动，气候研究和时区研究，这是地理课上学的，还有很多很多其他信息。

麻省理工公开课 - 媒体、教育、市场课程节选

Also,studies have shown that women are better than men in repaying their loans on time.

VOA: special.2010.06.16

So, studies with police officers using reaction time in split-second choices on who to shoot find that your stereotypical attitudes play a huge role in who you're likely to shoot when they're holding an object in their hand that's unclear.

一些针对警察的研究,用霎间的反应时间让他们作出选择,应该向谁开枪，研究发现这些刻板态度,能极大的影响你选择向谁开枪,当他们手里拿着不明物体时。

耶鲁公开课 - 心理学导论课程节选

Mister Lowell's theories were based on what were serious scientific studies of that time.

VOA: special.2010.07.11

In time,Helen did go to college and completed her studies with high honors.

VOA: special.2009.11.15

She says the new studies are important because they show trends over time.

VOA: special.2010.03.04

They said she did not spend enough time on comparative studies.

VOA: special.2010.01.17

Paul had little time left for his studies.

VOA: special.2009.04.11

Studies show a link between time on a computer or in front of a TV and obesity.

VOA: standard.2010.07.02

As for sightseeing, there's little time for that during their studies at the Olympics, but the students are welcome to stay for a bit on their own afterwards - if,of course, they are not worn out.

VOA: standard.2010.02.26

Army War College National Security Studies professor Larry Goodson says the U.S.-Karzai relationship has been souring for some time, but that,in his opinion, the Obama team has not been able to formulate any alternative to Hamid Karzai.

VOA: standard.2009.08.03