Sentence examples for remain unexplained from inspiring English sources

They remain unexplained.

The white sneakers remain unexplained.

Thirty-seven accidents remain unexplained.

The circumstances of their deaths remain unexplained.

Men's fertility issues often remain unexplained.

Basic facts about Nisman's death remain unexplained.

The circumstances surrounding the accident remain unexplained.

The reasons for many stillbirths remain unexplained.

Results: One fourth of stillbirths remain unexplained.

Many aspects remain conjectural, however, and some details remain unexplained.

For the cases that remain unexplained (Sids), researchers think there are likely to be undiscovered causes.