This social market model, rather than a liberal market model like in the U.S., is common across Scandinavia and helps explain why the cost of living is so high.

这种社会市场模式， 而不是像美国那样的自由市场模式，在斯堪的纳维亚半岛很普遍， 有助于解释为什么生活成本如此之高。