It appears that voicelessness is not a single phenomenon in such languages.

Is progressive rock, then, a single phenomenon at all?

They took an estimated 150 million hours of digging to construct, and are perhaps the largest single archaeological phenomenon on the planet.

They are, for me, simply two aspects of a single phenomenon.

IT'S rare that a single phenomenon can explain a whole set of economic circumstances.

The mind is difficult to study, often multiple theories can explain a single phenomenon.

He believed that because of this, pseudoarchaeology could be categorised as a "single phenomenon."

"You're talking about the single biggest phenomenon in TV," he said.

It is the single most ominous phenomenon of our times.

They can be described using the same analytic approaches and are simply variants of a single phenomenon.