vary between

His eyes vary between squinty and with big black dots very much like Charlie Chaplin.

The length of a natural labor may be said to vary between two and eighteen hours.

The respirations vary between 60 and 80 per minute, though they may be much more frequent than this.

Hence the distance over which the charge may be made will vary between wide limits.

Every young girl is totally blind of one eye during periods that vary between ten minutes and three hours.

The remaining months vary between 79 and 86 per cent., and the mean of the whole ten months is 82 per cent.