每天十组表达，帮你日积月累应考，轻轻松松过关！ the lifeline of the national economy 国名经济命脉 layout and structure of the state sector 国有经济的布局和结构 state-owned enterprises (SOE) 国有企业 the reform and development of state-owned enterprises 国有企业改革和发展 all investors at home or from overseas 海内外各类投资者 lawful business operations 合法经营 black market 黑市 a mixed sector of the economy 混合所有制 the basic economic system 基本经济制度 basic and manufacturing industries 基础产业和制造业