概念界定不清晰。即对论文中的核心概念或关键词的界定不清晰，导致论述不清或研究内容不明确。 A significant A part of Understanding how you can publish essays is to understand the importance of framework. Construction can help the reader to know the place your essay goes and what you are trying to tell them. Imagine the structure for a ‘framework’ around which you'll Construct your https://bookmarkfly.com/story12757864/%E7%BE%8E%E5%9B%BD%E8%AE%BA%E6%96%87%E4%BB%A3%E5%86%99-an-overview