前言部分也常用“引论”、“概论”、“问题背景”等做标题，在这部分中，主要介绍论文的选题。

The preface also used "Introduction", "Introduction", "background issues" and so do the title, in this section, the paper focuses on the topic.

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出于以上问题背景，本文对“教育生活体验研究”的意义进行了系统的分析，论述了其理论价值和实践意义。

For the above-mentioned backgrounds, my dissertation analyze the sense of "research inspect of educational life" all-roundly, it expounds the sense of theory and practice.

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在不同的ELECTRE方法中，这些级别高于关系往往是针对特定的问题背景构造和提出来的，因此具有不同的表达形式。

In different ELECTRE methods the outranking relations are frequently constructed and proposed to some specific problems; therefore they have different forms.

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So, there we go. But somewhat here in war and peace of battle is slowly being relegated to the background.

所以战争与和平问题,就慢慢转移到这个背景上

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If we talk about the background of the question,

如果我们讨论一下问题的背景，

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Well, in order to answer that question, I have to give you a little more background information.

嗯，为了回答这个问题,我必须得多讲点背景知识。

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