This was a valuable case study, and one wishes there were more of them in this book, especially examples examining the economics of cradle to cradle engineering. 读者或许希望这本书能够讲述更多诸如此类的案例,特别是那些从经济学角度仔细审视了从摇篮到摇篮工程的例证。
I may go to Egypt in the book to have a good swim one, understood how this human culture cradle is; 我可以在书中去埃及畅游一番,了解一下这个人类文明的摇篮是如何的;