这意味着宏所使用的所有临时变量都会在替换发生之前自动重新进行命名，从而防止名字产生冲突。

This means that all temporary variables used by a macro are automatically renamed before the substitution occurs in order to prevent them from having conflicting names.

youdao

例如，可以自动将变量替换为特定于开发、测试、临时和生产环境的值。

For example, you can automatically replace the variables with values that are specific to development, test, staging, and production environments.

youdao