“keynote presentation”造句，怎麼用keynote presentation造句

Orchestras are the new soundcards and, having opened Nintendo's keynote presentation at gaming expo E3, the guys behind Play!

I'm doing a keynote presentation today at the Geo Loco Conference in San Francisco.

She wanted to know if I was available for a keynote presentation later this summer for a conference to be located in Ohio that she was putting together.