The problem is partly rooted in the way recruiters are paid.

The current commercial phenomenon is partly rooted in both the high prices of the originals and the difficulty of finding them.

This process is rooted partly in the Jewish laws of the dead, which require a timely burial, but it has a political purpose too.

The problem is only partly rooted in the explosive birthrate of the ultrareligious.

The explanation is partly rooted in the very nature of the Asian mobs.

Why editors often feel undervalued is partly rooted in their history and, perhaps, their personalities.

But pediatricians and other child development experts say that they are only partly rooted in reality.

The mistrust was partly rooted in the company's past.

Perhaps most surprising, these paintings, though partly rooted in visual observation, are also fairy tales.

But it is also partly rooted in basic American optimism.