Beyond this comes public distance, such as that between a lecturer and his audience.

超过它便是公共场所距离，比如一个演讲者与听众之间的距离。

youdao

If you are making a long distance call on a public telephone and run out of money, give the number on your phone to the person you're talking to. Then hang up the receiver and he can call you back.

如果你用公共电话打长途，钱花光了，把你的电话号码给你正在通话的人，然后挂上电话，他会给你回电话的。

youdao

Spot scares people into keeping a distance in public.

Spot 机器人会以惊吓的方式提醒人们在公共场合与他人保持距离。

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Labour is retreating into its left wing comfort zone - and the chancellor has said nothing in public to distance himself from it.

BBC: NEWS | UK | UK Politics | In full: George Osborne speech

For several blocks around the venue of the trade summit, massive iron barricades and hoards of police kept the public at a distance.

BBC: A heavy police presence surrounded the talks

Private four-year institutions are much less likely than public institutions to offer distance learning courses, according to the survey.

CNN: fyi.com - Study: Public higher education embracing virtual classrooms