The keywords should be the first field of each non-comment line; the string quotes that you typically associate with a char* are optional here.

关键字应该是每一个非注释行的第一个字段；通常与 char* 相关联的字符串引号是可选内容。

youdao

If all quotes are now removed from that string by some function in the application code, the string analysis model detects that this string cannot possibly hold quotes from here on.

如果所有的引号现在都被这个应用程序代码中的一些功能从此字符串中清除掉，那么这个字符串分析模型就会检测到这个字符串从此以后就不可能包含引号。

youdao

The double quotes for string fields are required.

字符串字段需要双引号。

youdao

So if I want to use a string as we'll call it which is a word or phrase generally, they always go between double quotes, David hence the quotes around David, and they are double quotes not single quotes intentionally.

当我们要表示单词啊，词组啊，句子啊等等这样的东西时,就会用到字符串，它们位于双引号之间，也就是这里双引号之间的，是双引号，不是单引号哦。

哈佛公开课 - 计算机科学课程节选

other people had solved that problem for me, and this thing between quotes, we'll start calling a string.

至于如何实现的别人已经解决了，这个在引号之间的东西叫字符串。

哈佛公开课 - 计算机科学课程节选

And you might say, wait a minute, isn't that a string, and the answer's no, I didn't say it's a string by putting quotes around it And notice how the machine responds differently to it.

你会想，等等，这不是个字符串么？,答案是否定的，我没用引号包围它就意味着它不是字符串,请注意计算机对它给出了不同的反应。

麻省理工公开课 - 计算机科学及编程导论课程节选