"I don't go into other people's minds on a casual basis."
She first appeared in the early 1990s and continued contributing on a casual basis until 1996.
They started seeing each other on a casual basis after that.
If it's not realistic to change this, you could benefit from getting them involved in another team or project, even on a casual basis.
You prefer to keep things looking like they're on a casual basis.
Particularly significant, was the fact that most workers were employed on a casual basis in very small workshops.
"Orchid, this is not the kind of work you go into on a casual basis."
He continues to work with the orchestra on a casual basis.
They continue to meet on a casual basis every time Fred can find money enough to book a hotel room.
I think that there is a major democratic problem if decisions are taken on a casual or incomplete basis.