There was, however, an important omission, and I am writing to bring it to your attention.

There are some important omissions in this article.

Mr. Singh's critics point out an important omission in his record of outspokenness.

One important omission from the 1984 Act is the right to silence.

An important omission is how much politics drove the design of the shuttle.

Mr. Phillips speaks of "important" omissions in the theory, but he can't quite put his finger on them.

In the long run it was not an important omission, but the fact of having made it was alarming to her.

A more critical observer would have noticed some important omissions in the book's text, however.

There is a more important omission: In addition to his 400 (!)

But on laying down principles for these programmes for the very first time, important omissions still remain.