Prices for national coverage differed enormously depending on how the licences were combined, notes Simon Wilkie, an economist at the University of Southern California.
南加州大学的经济学家Simon Wilkie指出，覆盖全国网络的许可价格因许可的组合方式不同而有很大的差异。
The Cleveland Clinic, Case Western Reserve University and University Hospitals are powerhouses of economic activity, spending a combined $3 billion on goods and services annually.
克利夫兰医疗中心，凯斯西储大学和大学医院是经济活动的生力军。
Combined the current personnel system of university teachers, the essay do some research on the feasibility and obstacles of appointment system and analyze how to promote the appointment system.
结合当前我国高校教师的人事制度，研究高校教师聘任制度的可行性和存在障碍，并在此基础上分析了推进我国高校教师聘任制度的对策措施。
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