③：介绍背景情况以及研究原由的时候要突出关键部分，并且和论文内容呼应，注意不要把介绍变成了论题的背景介绍，不要堆砌过多的引用资料。 EssayMin: an experienced composing provider that provides primary papers. Our merchandise involve academic papers of varying complexity as well as other personalised providers, in addition to investigation products for aid needs only. 完成一篇论文是非常耗费... https://allyourbookmarks.com/story12510257/top-%E8%AE%BA%E6%96%87%E4%BB%A3%E5%86%99-secrets