"We have developed a technology which makes it easy for consumers to authenticate medication at the point of purchase.

VOA: standard.2010.06.07

So if you defend the easy pass, from his point of view, it doesn't matter whether he chooses the easy pass and gets one in there or the hard pass, he gets one in there.

那么如果你防守平坦的路,从他的立场出发,无论怎么选择,选崎岖之途收益是1,而选择平坦之途的收益也是1

耶鲁公开课 - 博弈论课程节选

It's easy to think of a point as just a list of an x- and a y- coordinate.

或者说有两个元素的数组,把一个点认为是含有x坐标。

麻省理工公开课 - 计算机科学及编程导论课程节选