Chinese highway administration system was built up on the conditions of the planned economy and the lack highway transportation supply for a long time.
长期以来，我国的公路管理体制是在计划经济和公路及公路运输供给紧张的情况下建立的。
The goods and services that a country produces are not planned by anyone. production is determined by the interaction of supply and demand and signaled to producers through the price system.
一个国家生产的商品和服务不是由任何人计划的；生产是由供求关系决定的，通过价格体系来传递信息。
The goods and services that a country produces are not planned by anyone. production is determined by the interaction of supply and demand and signaled to producers through the price system.
一个国家生产的商品和服务不是由任何人计划的；生产是由供求关系决定的，通过价格体系来传递信息。
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