例中的调用只有一个实参，而这些函数分别带有零个和两个形参。

Our call has only one argument, and these functions have zero and two parameters, respectively.

youdao

例中的调用只有一个实参，而这些函数分别带有零个和两个形参。

Our call has only one argument, and these functions have zero and two parameters, respectively.

youdao