这通常是模板系统的基本思想.真正的模板系统具有更多功能，但它们的核心功能就是这些.

That is generally the basic idea for a templating system. Real templating systems have many more capabilities, but at the core this is what they do.

您问这是否会使整个变量传递过程更快一点".比什么更快?您现在正在做的事情是否遇到了性能问题?

You ask whether this will "make the whole variable passing process a bit faster". Faster than what? Are you running into performance problems with something you're doing right now?