I thought it would be appropriate that Tom would do the official introduction tonight.

For example, the official introduction of English into India's education system began in 1835.

The venture, though, is getting closer to an official introduction.

His official introduction to the college was on January 22, 2010 at the men's varsity hockey game.

The official introduction to the book in the publisher's website is as below:

For more details, see the official introduction and demo video.

It is Microsoft's policy not to discuss any development before its official introduction.

The official introduction of that product began just two days later.

The following decade she introduced audio-visual equipment, years before their official introduction as part of the curriculum in 1974.

Once it had been discovered to be in the lake, further official introductions occurred in 1962 and 1963.