business as usual
US /ˈbɪz.nɪs əz ˈjuː.ʒu.əl/
UK /ˈbɪz.nɪs əz ˈjuː.ʒu.əl/

1.
a normal state of affairs, especially after a disruption
:
•
After the storm, it was business as usual at the office.
•
Despite the minor setback, it's business as usual for our team.