Although the hyphen does look quite a bit like a dash or minus sign, it is a punctuation mark.

尽管连字符看上去很像破折号或减号，但他还是一个符点符号而非数字符号。

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The dash to mark the special day with a wedding is not confined to the UK.

并非只有英国人想赶在这一个特别的日子里举行婚礼。

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A mark, usually a dash (?), indicating the omission of a word or of a letter or letters.

省略符号一标记，通常为破折号(—)，指一个单词或字母的省略。

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