它们各自之间没有联系,不像一套教科书那样,按照书中问题的难易程度,或专业的深浅分级别类。
They are not related to one another as a series of textbooks, graded in difficulty or in the technicality of the problems with which they deal .
在理想的情况下,这两组服务器和内容应该是分开的,内部和外部网站都有各自的服务器,并且它们之间的通信要尽可能少。
In an ideal situation, these two sets of servers and content should be kept separate, with internal and external sites having their own servers with as little crossover between them as possible.
在总结章中,我讨论了本书所概括的这些理论之间的互补之处,同时也阐明它们各自不同的特点。
In the conclusion, I discuss complementarities among the theories outlined in this book, while recognizing their distinctive features.
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