A: I need a new computer. B: What's the matter with yours? A: It's six years old. B: That's pretty old. A: It still works, but I'm going to give it to a charity. B: Are you going to buy a desktop or laptop? A: Oh, a laptop, of course. B: A PC or a Mac? A: I haven't decided yet. B: More and more people are using Macs. A: But 90 percent of the world uses PCs. B: And that's not going to change anytime soon.
