You don't have to be mad to have a cat 英文题名：You don't have to be mad to have a cat。 You don't have to be mad to have a computer 并列题名：You don't have to be mad to have a computer 英文题名：You don't have to be mad to have a computer。 You don't have to be mad to work here you don't have to be rich to become wealthy 并列题名：You don't have to be mad to work here You don't have to be blind to see You don't have to pretend to be fine