Sentence examples similar to challenges are infrequent from inspiring English sources

Doors are infrequent.

Droughts are infrequent.

Complications are infrequent.

But such cases are infrequent.

But lesser tastes are infrequent.

But in fact, street racing arrests are infrequent.

IMTs of the gastrointestinal tract are infrequent.

Restroom stops are infrequent.

Public transportation is infrequent.

Breaks were infrequent.

Adverse effects were infrequent.