Railway is a nation's important infrastructure, and also the big artery of national economy and the backbone of the transportation system.
铁路是国家重要的基础设施、国民经济的大动脉、交通运输体系的骨干。
The real estate industry has a high degree of conjunction and strong driving force, which has become the backbone industry of the national economy.
房地产业关联度高，带动力强，已经成为国民经济的支柱产业。
The real estate industry has a high degree of conjunction and strong driving force, which has become the backbone industry of the national economy.
房地产业关联度高，带动力强，已经成为国民经济的支柱产业。
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