quoted string

Two sequential apostrophes in a quoted string denote a single character, namely an apostrophe.

引用串中连续的两个单引号表示一个字符, 即单引号.

The tag, if any, of a dollar-quoted string follows the same rules as an unquoted identifier, except that it cannot contain a dollar sign.

如果有标签的话，一个美元符包围的字串遵循和无引号包围的标识符相同的规则，只是它不能包含美元符。

For one thing, the code is in one big quoted string.

一方面，该代码是在一个大引证字符串中。

In other contexts the dollar sign can be part of an identifier or a dollar-quoted string constant.

在其他环境里美元符号可能是一个标识符名字或者是一个美元符包围的字串常量的一部分。