命脉

• Trade is the lifeblood of our country .
  贸易是我国的命脉。
• Public irrigation is the heart of cotton farming .
  公共水利设施是棉花生产的命脉。
• Food production and distribution are vital to society .
  粮食的生产和销售是社会的命脉。
• The nation's hands must not be tied when the nation's life is in danger .
  在国家命脉垂危的时候，国家的双手，不可被束缚。
• In mediaeval times rivers were the veins of the body politic as well as economic .
  在中世纪，河流既是经济的命脉，也是国家的命脉。
• He knew the financial secrets of most traders in the town and could touch the springs of their credit .
  他了解当地大部分商人的财务秘密，掌握着他们的信用命脉。
• Abstract : electric power is the pillar of economy
  文摘:电力是经济发展的命脉。
• Research is the lifeblood of science and learning
  研究乃科学与学问之命脉。
• Creativity is the lifeblood of a service economy
  创意是服务型经济的命脉。