And this defines formal parameters of this function. Yup.
带有其它变量的括弧,这就是函数的形参。
We got definition, we got name, we got a set of formal parameters.
我们已经进行了定义,我们命了名,我们设置了一些列形参。
Inside of solve, solve creates an environment where inside of that, it has bindings for the parameters it's going to use. All right?
在solve内部,solve创建了一个环境,在这个环境中它给她要使用的形参赋了值,明白吗?就像很多--等等?
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