第一章回顾了写这篇论文的起因，并分析了研究中国学生用英语请求的重要意义，以及所要用到的研究方法和本论文的结构安排。

Chapter one gives an overview of origin of this thesis, the significance of studying Chinese learners' production of requests, a glimpse of research methodology and the organization of this thesis.

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如果你写一篇主要是统计数据的论文，不管你是中国人还是美国人，你总能找到一个朋友帮你用英语做出来。

When you come to do the end-of-the-year figures, if you think some of the contracts are going to make a loss, you have to write them down.

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