1·You can always spot a raw string because the starting quotation mark for the string is preceded by an r, which is short for raw.
您始终可以认出原始字符串，因为该字符串的起始引号的前面有一个 r 字符，它是 raw 的缩写。
2·"Suppose you have a field that you can type a name into, and instead of a letter, you type in a quotation mark, parenthesis or semicolon," Wool said.
“假设有一个你在一个可以输入姓名而不是一个字母的区域，输入了引号，括号或分号”Wool说。
3·Use of double quotation mark delimiters on Linux and UNIX-based systems is recommended.
建议在基于Linux和UNIX的系统中使用双引号分隔符。
4·To be accessed properly, the JDBC URL must be passed into the connect command as a string; hence it's enclosed in single quotation mark (') characters.
要正确访问，必须将JDBC URL作为字符串传递给connect命令；因此需要将其封装在单引号(')字符里。
5·The single quotation mark in front of the null list is used to tell Scheme that you are using as data and not as a part of your parse tree.
空列表前面的单引号用来告诉scheme您正在使用作为数据，而不是用它作为解析树的一部分。