a mark ($) written before a number to indicate that it stands for the number of dollars

a symbol of commercialism or greed;

"he worships the almighty dollar"

"the dollar sign means little to him"

path expressions can also start with a variable, which is a name preceded by a dollar sign ($).

路径表达式还可以以变量开始，变量是以美元符号（$）开头的名字。

the nondescript dollar sign ($) prompt can sport colors, reflect your current working directory, and even show the weather.

美元符号 ($)提示符可以显示为不同的颜色，以反映当前工作目录，甚至是天气情况。

to retrieve the value stored in the variable, type a dollar sign ($) followed by the variable「s name, as shown in figure 3.

输入美元符号（$）和变量名，就可以获取变量中存储的值，见 图3。

you」ve already seen in xquery that a variable is defined by putting a dollar sign ($) in front of an identifier name.

您可能已经看到，xquery 中通过在标识符前加上美元符号（$）来定义变量。

a dollar sign ($) at the beginning of a line means it「s a normal unix shell command.

一行开头处的美元符号 ($)表示该行是常规的unixshell命令。

mode m: make the caret (^) and dollar sign ($)match at the start and end of each line, for example, after and before line breaks embedded in the source string.

模式m：使插入符号 (^)和美元符号 ($)在每一行的开始和结尾相匹配，例如，在源字符串中嵌入前后换行符。

a share ending in a dollar sign ($) is considered hidden and not shown in microsoft clients, even thought the server will advertise the existence of the share.

以美元符号（$）结尾的共享都是隐藏共享，不会显示在microsoft客户端，即使服务器会报告该共享的存在。

the beginning and end of the range is separated by a comma (,) and may be specified as a line number, a regular expression, or a dollar sign ($) for end of file.

行的起始和结束由一个逗号（,）分隔，并且可以被指定为行号、正则表达式或表示文件结束的美元符号（$）。

and the dollar sign ($) matches the end of the string.

并且使用美元符号 ($)匹配字符串末尾。

the caret sign (^) signifies the beginning of a line; the dollar sign ($) signifies the end.

^符号（^）表示一行的开始；$符号（$）表示一行的结束。

e adds the dollar sign ($) at the end of each line.

e在每一行的结束处添加美元符（ $ ）。

at first glance, the dollar sign may seem unnecessary, but it」s critical.

乍看之下，美元符号可能看似不必要，但是它是至关重要的。

the extra digit obliged the national debt clock near new york’s times square to move its dollar sign to make room.

位于纽约时代广场的国债钟也不得不挪掉美元符号，腾出空间来表达多出的数位。

in other words, without the dollar sign to anchor the end of the string, a very long string with a matching prefix, such as 「martin1234-cruft,」 would yield a false positive.

换言之，没有美元符号锚定字符串的结尾，带有匹配前缀（例如 「martin1234-cruft」）的非常长的字符串将生成误判 (falsepositive)。

the leading dollar sign is the shell prompt.

开头的美元符号是shell提示符。

a dollar sign ($) may be included as a literal in the replacement string by preceding it with a backslash (\$).

通过在前面加上一个反斜杠 (\$)，美元符号 ($)可以作为一个文字被包括在替换字符串中。

you use the bang, or exclamation point (!), to access the history, and the dollar sign ($) returns the last field of the previous command.

您使用感叹号 (!)来访问历史，然后使用美元符号 ($)返回前一命令的最后字段。