斯坦福能提供独一无二的接触硅谷的机会，而硅谷是全球发展最快的经济生态圈。
Stanford offers exceptional access to Silicon Valley , the best fast-growth ecosystem in the universe .
城市圈是经济圈、生态圈、人文社区圈的复合体；
The city sphere is a mixture of economic spheres , ecosphere and community spheres .
经济生态圈