After some serious debate Richard finally agreed to stay on the east coast.
If this were not Africa, we might be having a serious strategic debate.
"He just wants to avoid a serious debate about issues."
"This is an attempt to start a serious debate inside the party."
And some in Congress say the time could be ripe for a serious debate.
We now need serious debate in our Congress on these vital issues.
We will have to hold a serious debate on this issue.
I believe that we have indeed had a serious debate.
I would like to have a serious debate on the matter.
Sometimes there is serious debate over whether this guy can go back to work.