这是因为实际的源代码和变量绑定可以更改，这是建立在环境或者构建宏预处理程序指令的时间定义的基础上的。

This is because the actual source code and the variable binding can change, based on the environment or the build time definitions of macros and preprocessor commands.

youdao

这是因为实际的源代码和变量绑定可以更改，这是建立在环境或者构建宏预处理程序指令的时间定义的基础上的。

This is because the actual source code and the variable binding can change, based on the environment or the build time definitions of macros and preprocessor commands.

youdao