No one seemed to know how high those costs could mount.

The costs mount up, no matter how similar the former and potential tenants seem to be.

Moreover, the longer a suit continues, the more its costs mount.

I'd had the rental for over three weeks and the cost was mounting daily.

The overall cost of building the campus mounted to $103 million.

The cost of living has been mounting and real wages are shrinking.

The cost of using the services can mount quickly.

But last year the cost of operations in Angola mounted.

The costs of the assassination attempt are mounting by the day.

Still, for a family with more than one child, the cost can mount.