Being and void, being and void, so now I've got my plus two little projectile coming in, and plus two zooms right through.

有和无，有和无，现在带两个正电荷的发射体进来了，两个正电荷正好穿过。

麻省理工公开课 - 固态化学导论课程节选

So in this case, my expected payoff is a ? of 1 plus a ? of 4, for a total of again 2.5.

在这种情况下,我预期收益是?乘1加?乘4,总和还是2.5

耶鲁公开课 - 博弈论课程节选