How many psychologists or psychiatrists prescribe "? "run three times a week and see me in the morning"?

多少心理学家或精神科医生规定病人,“每周跑步锻炼三次，早上来见我？

哈佛公开课 - 幸福课课程节选

If they do make big bets maybe they get lucky once, or twice,or three times, but ultimately their luck is going to run out.

搏大了,可能会侥幸那么一次,两次或三次,但最终运气是会用完的

耶鲁公开课 - 金融市场课程节选

It doesn't have to be just once, right?

可能是两次或三次？

麻省理工公开课 - 计算机科学及编程导论课程节选