This group also includes some middle-income countries, such as China and Nigeria.
这一群体还包括一些中等收入国家，如中国和尼日利亚。
2
The demand to push continuous rising of house price can be divided into the consumption demand of middle and low income consumer group and the investment demand of high income consumer group.
推动房价持续上涨的需求事实上可以划归为中低收入群体的消费需求和高收入群体的投机需求。
3
This indicates that although the middle-incomegroup got benefits from economic growth, their participation share is smaller than social average level.