这本简单的书是为初学者而作。
这本简单易懂,手把手的练习册帮助你掌握的基本概念并通过的各类习题,解决你遇到的问题。
This easy-to-follow, hands-on workbook helps you master the basic concepts and work through the types of problems you'll encounter in your coursework.
虽然这本书单词简单,但读起来不容易。
And so I would ask you to think about a couple of simple questions as you move through this book, and as you think about what I have to say about it.
所以,我想让大家在继续读这本书时,想出一些简单的问题,并且想想我会对此说些什么。
In the most famous of these letters, the lengthy seventh one, he gives us, again, something of an autobiography and tells us a little bit about why he came to write this book.
这些书信中最著名的,是冗长的第七封,他写下类似自传的东西,并简单地讲述了,为何他要写这本巨著。
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