1·The extra single quotes are escape characters.
“额外” 的那个单引号是换码符。
2·SolidDB strings are delimited by single quotes.
soliddb字符串使用单引号分隔。
3·The use of the two single quotes is discussed in the next section.
下一节讨论为什么要使用两个单引号。
4·To ignore a signal, use two single quotes in place of the command_list
要忽略某个信号，使用两个单引号代替 command_list
5·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。
6·The third thing to notice is the use of single quotes to surround the 'd' command.
第三件要注意的事是括起 'd' 命令的单引号的用法。
7·Atoms must start with a lower case character, or you can delimit with single quotes.
原子值必须以小写字母开头，否则需要加上单引号。
8·Single quotes are better, because then you can use double quotes inside the one-liner.
单引号更好，因为使用单引号后您可以在一行程序内使用双引号。
9·Note that we have used single quotes around the conditional values in the examples.
我们在上面那个举例中对条件值使用了单引号。
10·The careful reader will realize that this may fail badly if the passed argument includes single quotes.
细心的读者会发现，如果传递的参数包含单引号，将会完全失败。