它实际上可能是降低高的国家的物质生活水平。
It may actually be lower in countries with a high material standard of living.
物质生活水平的提高使人们的消费观念产生了变化。
The improvement of the living standard changes the way by which people use their money.
物质生活水平的提高使人们的消费观念产生了变化。
The improvement of the living standard changes the way by which people use their money.
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