Sentence examples for once or not from inspiring English sources

The Nazis read it once or not at all.

Plenty of students go out only once, or not at all.

In the past you could only clear these notifications all at once or not at all.

They crowd like cattle in metal chutes, holding plastic buckets for the crude meals they are served usually twice a day, but sometimes once or not at all.

We know, and for the most part accept, that many people, including gay people, will marry more than once or not at all.

It allows a movie to be transmitted with a marker that will allow it to be copied freely, copied just once or not copied at all.

With dance you did it once, perfectly or not, and then it was gone forever.

In a single season, females may mate once, twice, or not at all, and males try to mate as many times as possible.

But we'll have to wait at least another month to see if Obama follows this template once again, or not.

For example, students have rated an experimental result as soft if it was done only once or did not have the best controls to rule out alternative interpretations.

In this section, we discuss only reactions with simple or 0-1 sthathismetreactionsis, reactions where each substrate and product either appears exactly once or does not appear in I(r) and O r), respectively.