白广阔

Group of alumni,highly established in their ca-reers,got together to visit their old university professor.The conversation soon turned into complaints aboutstress in work and in life.Offering his guests coffee,theprofessor went to the kitchen and returned with a largepot of coffee and an assortment of cups--porcelain,plastic,glass,crystal,some plain looking,some expen-sive,some exquisite--telling them to help themselvesto the coffee.