Many companies are unquoted.

很多公司都没有上市。

Given an unquoted identifier in the correct catalog case, returns the correct quoted form of that identifier.

在正确资料库目录情况下提供不具引号的识别项时，会传回该识别项具引号的正确格式。

You must use quotes to set a variable to a lone slash, because an unquoted slash is interpreted as a division sign.

你必须使用引号去设置一个变量为一个长斜杠，因为一个不被引住的斜杠被解释为一个除号。

The paper puts forward methods for improvement in light of the defects existing in unquoted bill ac-counting by our provincial industrial and commercial administration.

本文针对辽宁省工商行政管理部门非定额票据核算中存在的种种缺陷，提出改进办法。

Given an unquoted identifier in the correct catalog case, returns the correct quoted form of that identifier, including properly escaping any embedded quotes in the identifier.

以正确的目录大小写给定一个不带引号的标识符，返回该标识符的带引号的正确形式，包括正确转义该标识符中嵌入的任何引号。