Ruby does not process any data in a string if you wrap it in single quotes.
Ruby不处理任何用单引号括起来的字符串信息。
If all quotes are now removed from that string by some function in the application code, the string analysis model detects that this string cannot possibly hold quotes from here on.
如果所有的引号现在都被这个应用程序代码中的一些功能从此字符串中清除掉，那么这个字符串分析模型就会检测到这个字符串从此以后就不可能包含引号。
The method takes a string parameter, enclosed in quotes, and a code block.
该方法具有一个使用引号括起来的字符串参数和一个代码块。
A value in double quotes is always a string, but a numeric value without quotes is interpreted as a number.
双引号中的值始终是字符串，而不带引号的数字值被认为是数字。
However, all parameter values are enclosed in single quotes, which makes the contents within the quotes a literal string.
但所有参数值都使用单引号括入，这使单引号中的内容成为了字符串。
When DELIMIDENT is not YES, strings in double-quotes are treated as string literals. To set DELIMIDENT
当DELIMIDENT没有设置为YES 时，双引号中的字符串被当作字符串字面值。
Enter a string value "a" in the column and be sure to include the quotes.
在列中输入一个字符串值“a ”，并确保包括引号。
In this case, we choose the String variable and supply the text value from the prototype method above (remember to include quotes to enclose the text).
在本例中，我们选择String变量并提供上面的原型方法中的文本值(记住在文本两边加上引号)。
A string requires quotes if it is a reserved word or if it contains a character not ordinarily allowed in an identifier.
如果一个字符串是保留字，或者包含标识符中通常不允许的字符，则该字符串必须加上引号。
String constants in double quotes.
双引号包围的字符串常量。
To include preceding or trailing Spaces in the string value, the value must be enclosed in either single quotes or double quotes.
若要在字符串值中包括前导或尾随空格，则该值必须用单引号或双引号括起来。
Double quotes after the first character in the string are rendered literally.
双引号字符的字符串字面呈现后的第一次。
Double quotes after the first character in the string are rendered literally.
双引号字符的字符串字面呈现后的第一次。
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