例句-2: "Say, I just had a brainstorm! In our ads for these new cars, why don't we talk about their safety features and not how fast they go. A lot of people are worried about safety these days."
例句-4: "I have to tell you that since he went off to college, Bill has turned into a real egghead. He'd rather read a book on physics than see a movie or a good football game on TV."