The Digital World is a set of volumes that aim to describe how digital systems influence society and help readers understand the nature of digital systems and their many interacting parts.
《数字世界》丛书旨在描述数字系统如何影响社会，并帮助读者理解数字系统的本质及其众多交互部分。
That may be understandable, but does it help readers to understand?
这个可以理解，但是它有助于读者的理解吗？
Brown provides plenty of background information to help readers who may be unfamiliar with the Middle Ages.
布朗提供了大量背景资料来帮助那些可能对中世纪比较陌生的读者。
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