Theories centering on the individual suggest that children engage in criminal behavior because they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through interaction with others.这个句子的意

Theories centering on the individual suggest that children engage in criminal behavior because they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through interaction with others.这个句子的意
Theories centering on the individual suggest that children engage in criminal behavior because they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through interaction with others.
这个句子的意思是明白的.
：or 后边的that有什么语法意义啊,为什么这个地方要放个that.

Theories centering on the individual suggest that children engage in criminal behavior because they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through interaction with others.这个句子的意
这里的that没什么意义
放不放都无所谓
主要因为or后面跟一句长句
所以加that与or连接引出句子
而且根据意群 or that之后作停顿 使语句更流畅吧

因为在那句前面有个because吧.or后面也该是个从句,代表一个原因.如果没有that,读起来会象一个独立的句子,加了that会让人明显看出那是个从句.一个代表原因的从句.

这里的that一定要放。因为英语中从句有个规定，如果用and或者but这类连词连接两句并列的从句，后面一句话必须加上that。