The unit costs (expressed in seconds and normalized as explained) are estimated by an engineering model19 to allow for simulations over variations of traffic.
The unit costs are expressed in seconds.
Unit costs are expressed in hours.
There is a kid running from a pack of wolves.
That's masculine.
The dogs are asleep on the couch
They do not carry the monster into town in March.
The war will end soon on its own.
the laborers are on the sun dancing