It's difficult to describe this position, although it does involve some of the usual administrative functions.

Nor was it limited to the usual functions.

On an 18-wheeler, the fifth wheel's usual function is to help the driver mate the tractor to the trailer.

The idea came to nothing, and the monolith soon resumed its usual function as a weekend picnic table.

The usual function of such a school is to serve students in and near its own county.

It incorporates the usual functions of a book store and also features a cafe.

The spreadsheet and simple flat-file database also have all the usual functions you'd expect.

Indeed, all my senses seemed suddenly to be exchanging their usual functions.

Since there is no counterpart of Rev in human cells, blocking it should not interfere with the cell's usual functions.