America 's wars in iraq and afghanistan have testified eloquently to the limits of hard power .

美国在伊拉克和阿富汗的战争雄辩地证明了硬实力的局限性。

' One of things they have said quite eloquently is that not even harvard can afford to keep up with the rising price of information , ' said tom leonard , chief librarian at the university of california berkeley .

加州大学伯克利分校（universityofcaliforniaberkeley）图书馆馆长伦纳德（tomleonard）说，有一点他们说的很明白，那就是信息的价格越来越高，就连哈佛也无力承担了。