问:每期《编辑学报》中都见有几处“因此”前用了冒号,这对吗?根据是什么? 答:是对的。我们的作者和编者,对于冒号的前3个用法即“提起下文”“引起下文的分说”“引出解释或说明”比较熟悉,但对于它的第4个用法即“总结上文”(详见国标《标点符号用法》)不是很了解,“问”中提到的“因此”前用了冒号就属于这种情况。例如: Q: There are several “so” colonies in the editorial journals in each issue. Is that right? Based on what? A: Yes. Our authors and editors are more familiar with the first three uses of the colon, “Filed Below”, “Elicited Explanatory Notes”, and “Elicited Explanations or Descriptions,” but for its fourth usage, the “Summary” See the national standard “punctuation usage”) is not very understanding, “asked” mentioned in the “so” before the colon is the case. E.g: