The educational design is hybrid model-- so once a month, students are on class, on site, for intensive on site classes.

我们的教育设计是混合模式-,每个月，学生，有一次现场教学。

哈佛公开课 - 幸福课课程节选

So it's usually about once a month.

通常一个月有一次，

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In terms of myself individually I can honestly say on the month of Ramadan, it's an experience on an individual level, it's very beneficial.

对于我自己，老实说,赖买丹月是一次,非常个人的经历，也非常的有益。

普林斯顿公开课 - 人性课程节选

It's the one where you have to get three shots over a period of six months, and so you have to remember to go back, you get a first ba--you get a first shot, you have to remember to go back after a month and get a second shot, you have to go back after six months and get a third shot.

这种疫苗需要在六个月里注射三次,所以你要记得再去,你第一次,你第一次注射后,你要记得一个月后再去注射第二次,六个月后,你还得再去注射第三次

耶鲁公开课 - 生物医学工程探索课程节选

You're given coupon payments every six months and then, when the bond matures,you get your money back.

每六个月你会收到一次利息,当债券到期,你可以赎回本金

耶鲁公开课 - 金融市场课程节选