An Associate Degree was the only level of certification for years.
Until recently, that was the only level and so it would have been fine.
If this turned out to be the only level on which they could converse, then the whole ship was in trouble.
Senior titles have not been the only level of keen interest and activity, however.
The only level that remains today is the bottom.
The group level is not the only level, and for sure no one ever claimed that.
But this is not the only level on which the effects of the process are detectable.
This pattern is repeated at the top, so that only levels 5 to 38 extend around the whole of the building.
We are the only political level which has a zero budget.
The only level within the strata allowed to breed naturally was command.