One unusual feature of the solution should be pointed out.
The remarkable feature of this theorem is that ......
The only additional feature is the appearance of a factor of 2.
The main new feature is the use of the face ring to produce lower bounds for the number of vertices.
This $t$ has the feature we want.
Iterated correspondences display many of the features of ......
a basic $\langle$distinctive/essential/key/main/ major/significant/dominant/special$\rangle$ feature
We now describe a more interesting example featuring an operator that is non-trivially supercyclic.
This article features results in both spectral theory and operator ergodic theory made possible by a recent renewal of interest in the consequences of James's inequalities.