It is widely believed that it costs more to provide rural areas with postal service than urban areas.
It's thought that it costs more to deliver mail in rural areas than urban.
It's thought that it costs less  to deliver mail in rural areas than urban.
Measuring performance is not a quick and easy process.
The companies wanted to keep internet explorer and get rid of Netscape navigator.
Girls are by a bed.
The children are all taking naps in their beds upstairs.
Construction workers are on break.
This has no means to be considered a case.