In a modern industrial society, there are many business lunches and dinners and cocktail parties. In a typical nuclear family both parents work. When you add in the bad traffic getting home at night, who feels like cooking dinner?
而處在工商社會中，應酬多了，小家庭裡夫妻都得上班，加上惡劣的交通狀況，哪有力氣回到家中煮飯。