CzechCourse

to be in operation
Velmi časté
collocation
Typemultiword
Subtypecollocation
Structurebýt + v provozu
UsageService, machine, facility, or system is working.

Příklady

The elevator is in operation.
The cafe is open today.
The bus is not in operation.
The new line is already in operation.
The machine will be in operation tomorrow.