One reason is that going to the cinema is generally a social activity.

原因之一是，看电影通常是一种社交活动。

youdao

In some parts of the country, one kind of activity or production or work of art is called obscene, and people can be put in prison for it.

在该国的某些地区，一种活动、生产或艺术品被称为淫秽，人们可能会因此而入狱。

youdao

Will parents be damaging children if they have one fewer organized activity?

如果父母少安排一次活动，会不会对孩子有害？

youdao

But one activity that legally is only supposed to be for people age twenty-one and over is drinking alcohol.

VOA: special.2009.08.07

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

It's as if "thinking nothing" is not a passive activity, but an active one.

好像“脑子里一片空白“,不是一种被动行为，而是主动的似的。

耶鲁公开课 - 1945年后的美国小说课程节选

One large problem in making this work is the need for a cross-site user identity, one that links together the activity from one user in all of the different networks.

FORBES: IBM's Strategy to Manufacture Social Networking Surprises

If one engaged in at least 75 minutes per week of vigorous physical activity, one got 1 point.

FORBES: To Combat Some Big Diseases, We Should Focus On The Basics

Moreover, it also helps one to understand where lasting change is likely to originate: not from the occasional activity of a cross-spectrum grouping, but from the sustained, persistent, targeted, and strategic activity of one.

FORBES: Richard Sakwa's Outstanding Analysis of the Putin System's Past, Present, and Future