Start with an overview that tells the reader why the subject is relevant and timely and Outlines the main issues that will be discussed in the order they appear.
以综述开头，告诉读者为什么这个主题与他相关并且具有迫切性。按照主要内容出现的顺序把它们的要点罗列出来。
Tweak the settings until you get some nice black lines defining areas of you subject, almost like cartoon outlines.
调整参数以得到照片中物体的轮廓线，弄得像漫画一样。
The introduction Outlines to the reader the thesis subject, its importance.
对读者的介绍大纲论题主题，它的重要性。
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