大家都说，写篇好的论文就是要讲好一个故事。而讲好一个故事，应该集中于主人翁和他的行为。

​对于一篇文章而言，主人公就是 研究的主题，行为就是怎么实现的，有什么效果和影响。而对于一个句子而言，主人翁就是句子的主语，行为就是 动词和动词的宾语。因此怎么让长句子能写得清晰，而不那么冗长？有三个规则：（1）很快切入主语：不用长的引导从句作为句子的开头。（2）把主语、动词和宾语直接毗连起来：主语和动词、动词和宾语之间不插入不须要的字。

（3）制止句子无规则延伸：不要让一个从句叠在另一个从句上。（1）很快切入主语：不用长的引导从句作为句子的开头。1、如果引导从句的 5、6个字以上，把它写得短一点，如：Although older children are skeptical of people who have misled them previously, preschool children generally trust others.可以改写成：Unlike older children, preschool children generally trust people who have misled them previously. 2、将较长的引导从句移到句子末尾，如：Because past research has been unable to determine whether a positive family is beneficial in the long term, we investigated this issue longitudinally.可以改为：We investigated this issue longitudinally because past research has been unable to determine whether a positive family is beneficial in the long term.（2）把主语、动词和宾语直接毗连起来：主语和动词、动词和宾语之间不插入不须要的字。如：Some adults, due to attachment anxiety, are skeptical that spouses will support them in times of need.可以改为：Due to attachment anxiety, some adults are skeptical that spouses will support them in times of need.（3）制止句子无规则延伸：不要让一个从句叠在另一个从句上。

如：Students with this paradigm typically find that people view members of their own group as friendly and kind but that out-group members are perceived to be hostile.这出现了比力时的无规则延伸：1、在形貌第一个比力工具的是主动语态（people view members of their own group）；而在第二个比力工具时用的被动语态（out-group members are perceived ）。2、形貌第一个比力工具的时候用的是全称（out-group members are perceived ）；形貌第二个比力工具的时候用的是缩写形式（out-group members are perceived ）。

3、在形貌第一个工具的时候涉及了两个特征（friendly， kind），形貌第二个比力工具的时候只涉及了一个（hostile）。为了表意清楚，可以整合所有的对比：Students with this paradigm typically find that people view in-group members as friendly and kind but that they perceive out-group members as hostile and stingy.再通过删除 that they perceive 来缩短句子：Students with this paradigm typically find that people view in-group members as friendly and kind but out-group members as hostile and stingy.如果真的有篇幅限制，可以使用一个特征词来形容：Students with this paradigm typically find that people view in-group members as friendly but out-group members as hostile.另外：分号是个很巧妙的符号，可以毗连两个独立的句子，而且可以让读者相识到这两个句子附属于同一部门。今日一句：“我不知道什么叫恋爱。

我只知道，如果那张脸庞没有使你感受到一种甜蜜的惆怅，一种依恋的哀愁，那你肯定还没有爱。”—— 《周国平散文精选》。

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