请问具体的格式是什么?1. 双引号与逗号句号在一起时: 比如:I said," What are U doing?" But he said, 前引号与它前面的逗号要有空格么,与后面的单词要有空格么? 后引号与单词间要有空格么?2. 再有,当标点跟括号在一起时: 如:This is very important(You can see the importance of it in P4.). 我这样写对么,一个空格也没有。?一直不太懂,多谢多谢O(∩_∩)O~