When we have a lack of something or just enough of something to cope with the situation.
We usually say 'get by on' or 'get by with'.
Single Mother Struggling to Get By With Two Sons.
Getting by in the pandemic with help from (virtual) friends.
Getting by on credit? RECESSION: Local non-profit agency advises consumers how to get a handle on mounting debt.
'I'm not getting by': Frustrated Indiana residents wait weeks for unemployment payments.
Some Springfield organizations getting by during pandemic, others are not.
Nelsons getting by with a little help from friends, family. Garage turned into makeshift gym as brothers prepare for football.