This says, I need a second argument to it, and that second argument better be a point so I can do the comparison.
这里我需要第二个参数,第二个参数最好是一个点,这样我就能做比较了。
I'm actually just going to do something simple first, print the arguments to this function.
我实际上将要先做点简单的东西,打印函数的参数。
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