A person is a body that has a certain set of abilities, can do a certain array of activities.

人是拥有一套特定能力的肉体,可以从事一系列特定的活动

耶鲁公开课 - 死亡课程节选

Right now, with our 50, 80, 100 years, we don't fill our day doing only one kind of activity.

在眼下的有限生命中，我们也没有每天只从事一项活动。

耶鲁公开课 - 死亡课程节选

We have some students who enter on an athletic team and stay all four years with that team.

有些学生是因为体育特长,而被录取，而且大学四年,仍然从事那项体育活动。

普林斯顿公开课 - 人性课程节选

Instead, they do various things like govern and are priests, and are bureaucrats, and are engaged in other non-productive activities that depend upon others to feed them.

相反,他们从事其他职业,例如行政人员,神职人员,或是成为官僚,参与其他,非生产性活动,依赖他人供养

耶鲁公开课 - 古希腊历史简介课程节选

If you look at the percent of time people in society were involved in various activities and broken into agriculture versus everything else, in ancient Egypt it looked like this.

如果你留意一下,人们从事各种社会活动的时间比例,被分为农业生产和其他活动两类,在古埃及,时间分配是这样的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I can't think of any activity I'd want to do forever.

我想不出一样希望永远从事的活动。

耶鲁公开课 - 死亡课程节选

It used to be a lot easier to be physically active then it is today, and we'll discuss this later in the class, but energy saving devices all over the place.

在过去,人们比现在从事更多的体力活动,这一点我们以后再讲,帮助你省力的装置,如今随处可见

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选