Syntactically, you use quotes (single or double) around the URI string, and a colon to set off the prefix; other characters present no interference.

根据句法，在uri字符串前后使用引号(单引号或双引号)，并用冒号将前缀分隔开；对其它字符没有任何规定。

youdao

A value in double quotes is always a string, but a numeric value without quotes is interpreted as a number.

双引号中的值始终是字符串，而不带引号的数字值被认为是数字。

youdao

If you use double quotes around your string-based query predicate, instead of pairs of single quotes, you'll get a syntax error.

如果在基于字符串的查询谓词周围使用双引号，而不是单引号，就会收到语法错误。

youdao

Indeed, the last time we saw anything even approaching a 49-month double digit rate string was the 36-month string that gave us the housing boom turn bust turn Great Recession.

FORBES: The Next Great(er) Recession Now Baked In The Cake?

Nowhere in the manual does it explain the weight (thickness) of nylon string to use when reloading the trimmer, nor does it explain how to install the string into the double-threaded spool so that it feeds correctly.

FORBES: How to Cope With Useless User Manuals

As readers of the Monetary Watch are aware, the run-up to the housing bubble turn credit implosion turn Great Recession saw a string of 36 months of double digit growth for a cumulative increase of 48%.

FORBES: Monetary Watch June 2011, Inflation prospects post QE II