双引号本身并不是字符串的一部分，仅仅表示开始和结尾。

The quotation marks are not part of the string but serve only to mark its beginning and end.

youdao

实验结果： 在实验进行到某一程度(如电击330伏特)时，许多受试者表示开始感到不舒服，并质疑是否继续实验。

The Result: Many subjects began to feel uncomfortable after a certain point, and questioned continuing the experiment.

youdao

人民已经开始对变化的缓慢速度表示不悦。

The population has already begun to show its displeasure at the slow pace of change.

《柯林斯英汉双解大词典》

It's also important, once we start talking about molecules, to have a way to represent them, and also to be able to look at a shorthand notation for a certain molecule and understand what the bond is.

还有很重要一点是，一旦我们开始讨论分子，我们需要有一种表示它们的方法，而且能够从中看出,某些分子的简化符号，并得知键的类型。

麻省理工公开课 - 化学原理课程节选

And let's start by considering my payoffs on this picture, just to help myself a bit, let me put some points in here.

我们从在图上表示预期收益开始,稍微等我一下,我先标注出来几个点

耶鲁公开课 - 博弈论课程节选