近年来，由于收入差距的不断拉大，逐渐出现了不同档次的消费群体，由此形成了不同的消费需求。尤其是城市高收入阶层的消费示范效应已对市场产生一定影响。t国家统计局新近公布的一份针对10个省市12000户年均可支配收入超过去万元的家庭的调查显示，越来越多的高收入居民，在 In recent years, due to the continuous widening income gap, consumer groups of different grades gradually emerge, thus resulting in different consumer demands. In particular, the demonstration effect of consumption in urban high-income groups has had some impact on the market. According to a recent survey released by the National Bureau of Statistics of 12,000 households with annual average disposable income of more than 10,000 yuan in 10 provinces and municipalities, more and more high-income residents,