I opened a Book of Prefaces and began to read.

一边打开那本《序言集》读了起来。

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The main body of a book is allotted together for 6 chapters , 1st chapter prefaces , is owes a book selected topic significance , necessity , research method and the writing basic line;

本文同开为6章，第1章后曲言，概述选题的背景、意义、研讨方式及写做的基本念道；

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