Once a miser(吝啬鬼) told his servant(仆人).to buy some wine(酒). He gave the servant an empty bottle, but he didn't give him any money. "How can I buy wine without money, sir?" the servant asked. "Anyone knows how to buy wine with money. To buy wine without money is a special skill. After a while, the servant came back and told the miser to drink. "But this is an empty bottle. How can I drink? "Well," said the servant. "Anyone knows how to drink wine. To drink wine from an empty bottle is a special skill, too!"
