consumerism         
noun [ U ] uk/kənˈsjuː.mə.rɪ.zəm/ us/kənˈsuː.mɚ.ɪ.zəm/
 politics 消费
the state of an advanced industrial society in which a lot of goods are bought and sold
  disapproving(过分强调购买和拥有商品的)消费主义 
the situation in which too much attention is given to buying and owning things
  He disliked Christmas and its rampant (= extreme) consumerism. 他不喜欢圣诞节和圣诞节期间狂热的购物潮。