That's why you also require to mention the limitations and weaknesses with the proposed study, which may be justified by time and economical constraints together with from the early developmental phase of the investigation spot. 除了引言之外，确定总结中哪些部分对文档的目的最重要。按照这个顺序组织你的副标题或章节。在总结的不同部分之间使用项目符号和足够的间隔，使各位读者更容易看到内容。... http://speech63728.tblogz.com/a-secret-weapon-for-speech-25377559