I have since reflected upon this singular phenomenon without being able to explain it.

Many times since have I thought of this singular phenomenon without being able to find for it any satisfactory explanation.

Returning o the college, a most singular phenomenon presented itself.

A most singular phenomenon occurred while I was intently listening to the orchestra.

A pause is necessary to contemplate a singular phenomenon.

The finding lays to rest any lingering notion that the solar system is a singular phenomenon.

In the center of the vacant space, a singular phenomenon was manifesting itself.

Media is a singular phenomenon, and we might as well face it.

Inside the rooming house, however, a singular phenomenon occurred.

The debate about how to balance the budget is distorted by a singular phenomenon.