p253

mirror: to represent someting honestly 反映

coverage: the range or quality of information that is included in a book or course of study, on television, etc. 这里明显指的是 book 中的信息范围。

p254

encapsulation: the process of expressing or showing the most important facts about something, 这里应该是封装的意思。虽然，剑桥词典说的是：扼要表述；压缩，概括。

constitude: to form or make something. 这里应该是这个意思，即：形成；构成；组成。

intend: to have as a plan or purpose. 打算；计划。在语句中，直接翻译成“为了”就可以了。

p253

ultimately: finally, 最终。

p255

intuitive: easy to understand and to use 易懂的；使用简便的。当然，我们最先接触这个单词的意思可能都是：直觉的；凭直觉的。

p256

revised: 修正过的；经过修改的。

p259

recall: to remember sth.

hence: for this reason, 因此；由此。

It is worth nothing that: 值得一提的是，值得提到的是。

p260

mimic: 模仿

auxiliary: 辅助的