大概有这么几种情形:1)"X x x," Tom says. 肯定要大写2)Tom says, "x x x." 无需大写3)"X x x," Tom says, "x x x." 前者大写,后者无需大写。另外,引号中句子结尾句号逗号要注意一下。本人翻译专业,刚刚做完毕设,正好也遇到同样问题,所以了解了一点。
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