single quote mark
常见例句
- If the single quotation mark is the outermost quote, no variables are expanded.
如果最外边的引号是单引号，那么不展开变量。 - To create an actual apostrophe, put two single quote marks side-by-side (') to produce one quote mark in your output.
要创建实际的省略号，将两个单引号并排放在一起（‘’），从而在输出中生成一个引号。 返回 single quote mark