Values are enclosed by single or double quotation marks.

值用单引号或双引号括起来。

youdao

To correct the error, add double quotation marks to the end of line 9.

要想纠正这个错误，应该在第 9 行末尾添加双引号。

youdao

If you need quotation marks inside the alias, use double quotation marks.

如果您需要在别名中使用引号，那么可以使用双引号。

youdao

But the string, the sentence or the words that we're displaying on the screen, previously you clicked on a little white text field and typed it in, well now you're gonna do the same thing at the keyboard but you're gonna have to sandwich it in between double quotation marks.

这些你想输出到屏幕上的字符串啊，语句啊,单词啊，或者你事先,在白色输入框中敲进去的内容，现在你们需要用键盘做同样的事情,但是你们要写在,双引号之间。

哈佛公开课 - 计算机科学课程节选