The other than food and energy, the only other item categories with price levels that rose in January were medical-related goods and services and used autos. All others declined.
除食品和能源外，其他上升并能影响CPI的商品是医疗相关商品和服务以及二手车，除此之外其余商品价格均在下降。
The theory changed as economists realized conditions in the market were imperfect, and that only a small number of companies in certain industries, such as autos, had economies of scale.
理论变化是因为经济学家了解到市场的条件是不完美的，何况只有一小部分公司在一定的行业规模化了。
Autos not only improve the quality of people's life, but also bring great convenience for traveling. In addition, it raises another technology: auto guard.
汽车不仅提升了人们的生活质量，为人们的出行提供了极大的便利，同时也连带出一个附加的技术：防盗。
Autos not only improve the quality of people's life, but also bring great convenience for traveling. In addition, it raises another technology: auto guard.
汽车不仅提升了人们的生活质量，为人们的出行提供了极大的便利，同时也连带出一个附加的技术：防盗。
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