Honey, we still have some extra money after buying the TV set last week. If you want to buy something else, you can.
Well, I need a bike. I don't want to go to work by bus anymore. There are so many people on the bus sometimes that I just can't get on it.
What do you think of walking to work for exercise? I actually think you need a new computer. Your old one is pretty slow.
Yes, I do need a computer. Then I will give up on the bike idea. Then I could have $400 to buy a new computer.