求翻译：论文研究认为中产阶级不仅是收入达到中等收入，而且同时还要具有较高的文化修养，中产阶级偏好自由民主、注重自我、理性务实，注重品牌消费、炫耀性消费、个性化消费、服务消费，特别重视文化教育支出。是什么意思？

Thesis that the middle class is not only the income of middle-income and high culture, but also training, the middle class prefer freedom and democracy, focusing on self, rational and pragmatic, focusing on brand consumption, conspicuous consumption, personal consumption, service consumption, specia

Thesis research is not only considered middle class income reached middle-income, but at the same time it is necessary to have a fairly high level of cultural cultivation, the middle class is relatively good freedom and democracy, focusing on self-brand-oriented, rational and pragmatic, consumption,

Not only the paper research thinks the middle class is the income achieves the medium income, moreover simultaneously also must have the high cultural education, the middle class free democracy, pays great attention to self-, the rationality by chance is practical, the attention brand expends, osten

Thesis study concluded that the middle class is not only the revenues of middle income, and also has a high culture, middle-class ' preference for liberal democracy, pay attention to oneself, rational and pragmatic, focusing on brand consumption, conspicuous consumption, individual consumption, serv

Thesis believe that middle class not only revenue reached middle-income and while also has high culture, preference of middle class liberal democracy, attention to self, rationality pragmatism, brand, individual consumption, service consumption, conspicuous consumption spending, special cultural edu