英文中有三個符號
‐
–
—
依次稱為hyphen、en dash、em dash，長度由左向右遞增。
1. hyphen, 連字符
Unicode編碼 2010, ASCII編碼 0045
用法:
連接前后綴,
連接單詞構成復合詞,
分隔數字,
排版時的行尾斷詞等,
Anti-war
upper-case
400‐820‐820
My name is Phyllis; that's p-h-y-l-l-i-s.
2. en dash, 連接號
Unicode編碼 2013, ASCII編碼 0150
用法:
連接數據表示起止范圍,
表示兩者之間的關系或聯系,
在復合型形容詞中替代hyphen,
后邊什么也不接
Her college years, 1998–2002, were the happiest in her life.
New York–London route
the post–World War II years
Donald Trump(1946–)
3. em dash, 破折號
Unicode編碼 2014, ASCII編碼 0151
用法:
替代逗號將句子中的某個成份分離出來,
分隔句子中插入的想法或從句
表示斷斷續續
The influence of three impressionists—Monet, Sisley, and Degas—is obvious in her work.
Consensus—that was the will-o’-the wisp he doggedly pursued.
"Will he—can he—obtain the necessary signatures?" asked Mill.