注：如果我们没有启用这个条件编译标志，那么就可以得到一个可以在目标环境中使用的驱动程序对象文件。

Note: If you do not enable this conditional compilation flag, you will get the release version of the driver object that will be used in the target environment.

youdao

这可真是一个伟大的标志——没有矿物燃料能源，新科技照样使我们遨游蓝天。

It is a great symbol of what new technologies allow us to do without fossil fuel energy.

youdao

与一般的陈词滥调相反，接受超自然理念的人并没有一个特定的标志。

Contrary to common stereotypes, there is no single profile of a person who accepts the paranormal.

youdao

Right. So similarly, if you've got one line of code with a semicolon at the end saying, this is the end of the statement, it doesn't really make sense to continue that conversation to try to continue conceptually that puzzle piece with curly braces.

对的，类似的，如果你得到了一行代码,后面有一个分号，标志语句的结尾,这就没有意义来继续,那个会话来尝试对那段代码,使用花括号。

哈佛公开课 - 计算机科学课程节选

So if you're coming from prior background, your code might work a little differently on a different system if you don't use those flags.

如果你来自一个先前的背景，如果你们没有使用这个版本标志的话，在一个不同的系统中,你的代码可能运行地不太一样。

哈佛公开课 - 计算机科学课程节选