And there's two you could use to attack through, easy or hard.

同样他也有两条路入侵途径,平坦之途和崎岖之途

耶鲁公开课 - 博弈论课程节选

I haven't given you-- I've given you roughly the choices, the choice they're going to be for the attacker which pass to choose, and for the defender which pass to defend.

我还没有说完,我给出了大致的选择,入侵者选择从哪个途径入侵,而防卫者选择在哪里设防

耶鲁公开课 - 博弈论课程节选