The magazine that Apus and I work for, like many magazines, has a column that lists events and courses. In the column this week, one company is offering a "five-day initial course" in a particular subject, as well as a "six-day refresher course" - in the same subject!
So it takes five days to learn, and six days to be reminded of it when you've forgotten it...
The ambiguous Oxford comma
5 days ago