Most ER doctors don't get paid vacations, so they have to work extra shifts in order to get away. (relevantmagazine.com)
On the other hand, all it takes is a family emergency, extra shift at work, illness, or other situation to arise. (topessaywriting.org)
So, the working class is isolated in time zones, running from place to place and taking extra shifts at the plant just to pay the rent. (moviereviewsfromthedark.com)