Sentence examples for valid only once from inspiring English sources

During interviews, the study team tested the reliability of NFP responses by means of triangulation, a process which cross-examines emerging themes and considers them valid only once two of three questions produce similar answers.

This was necessary as many valid word tokens appear only once or not at all in any random selection of physician notes.

One recently told me that he decided to talk to his co-founder only once monthly, claiming it to be the only valid way forward.

It happened only once.

People die only once.

"It was only once.

Only once, I think.

But only once.