There was no clear dividing line between the shore and the river's flow.

Perhaps there was no very clear dividing line between the two.

Sometimes there's no clear dividing line, sometimes it's dramatic.

In fact there seemed no clear dividing line between where the station ended and space began.

It has laid down a clear dividing line between the powers of the Oireachtas and the courts.

One should note that in Iraqi culture there is no clear dividing line between the ancient world and the medieval.

But the label of metabolic syndrome, which is used by some doctors as a clear dividing line, may not be what's critical.

There still is a clear dividing line, with higher-quality loans finding robust demand while lenders can demand sweeter terms on lower-grade deals.

"Is this one of ours?" Mrs. Nishimura occasionally called down to Mrs. Kobayashi, for these family plots had no clear dividing lines.