"They expressed optimism, calmness and sympathy even when these were not the emotions that they were actually feeling," the study said.

研究称：“她们表现出乐观、冷静和同情，即使这些情绪并不是她们实际感受到的。”

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People who live to 100 are a model of healthy aging, the study said.

研究称：活到100岁的人是健康老龄化的典范。

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"Comparison shopping may sometimes come at a cost," the study said.

“比较性的购物有时付出代价。”研究称。

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The study said forty thousand people were treated in emergency rooms.

VOA: special.2009.12.09

For example, one of the statistics when I talk to people about the youth online with the study that was done years ago, where they said 1/4 teenager girls had received unwelcome sexual advances on the Internet.

例如，我通过与人们交谈获得一个数据,是关于年轻人上网的一项研究,这一研究是很多年前进行的，研究显示他们称有1/4的十几岁的女孩子,在网络上受到不受欢迎的性挑逗。

麻省理工公开课 - 媒体、教育、市场课程节选

She went to college and said here's my opportunity to study the thing that I find most interesting, and that was biology, and then she went back and participated in the family business, which was of course the acting profession.

她来学校说她有机会,选择她最喜欢的专业，也就是生物,然后她回家投身于她的家族事业，也就是演戏。

麻省理工公开课 - 化学原理课程节选

The numbers are growing across racial and ethnic groups, except for Asian women, the study said.

CNN: Report: More women moving in before marriage

There are also exaggerated doubts and fears about birth control pills, the study said.

CNN: Gaps found in young people's sex knowledge

Customers end up throwing away as much as half of what they buy, the study said.

CNN: World wastes half its food, study finds