Other people think this activity will take up plenty of time of students and get in the way of their study.

另一些人认为这种活动会占用学生大量的时间，妨碍他们的学习。

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People need time away from the pressures of study or work to relax and enjoy time with friends and family.

人们需要时间远离学习或工作的压力，放松身心，享受与朋友和家人在一起的时光。

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So when we talk about a cohort study, this means taking a group of people and following them over time.

所以当我们提到定群研究,就意味着,有一群人参加实验并需一直追踪下去

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

A cohort study means you take the same group of people and follow them every five years for that period of time.

定群研究意味着你只有一组研究对象,然后在研究期间每五年进行一次记录数据

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It is also, I should say, on the basis of this letter, which is why I ask people from time to time to remove their caps in the class room, from the House of Study.

也应可以说是因为这封信，促使我总是要求,课堂上的同学摘下鸭舌帽来听课，至少在学习的殿堂里。

耶鲁公开课 - 政治哲学导论课程节选

Devoting time to the study of how people use limited resources to fulfill unlimited wants and needs should help us to discover how to best utilize the resources we have at our disposal.

FORBES: We're All Economists Now: Scarcity Lessons For High School Students

Part-time study is the only way many people can access higher education and we must support it.

BBC: Fall in UK university students

The study also revealed a picture of the average amount of time people spent with different sorts of media.

BBC: NEWS | Technology | World drowning in oceans of data