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。

youdao

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。

youdao