Most pubs have no waiter-you have to go to the bar to buy drinks

Most pubs have no waiter-you have to go to the bar to buy drinks. （A group of Italian youths waited for 45 minutes before they realized they would have to fetch their own.） This may sound inconvenient, but there is a hidden purpose.
【正确答案】：一群意大利年轻人等了45分钟，才意识到他们必须自己去拿。