"And so he then went back and worked on technology adaptation and designed very low-cost, small affordable solar panels with fitted bulbs, maybe one or two bulbs per household, made sure that the bulbs could be moved from room to room, depending where people wanted the light,".

VOA: standard.2009.12.18

I chose 22 because I thought that most people would play the game dividing by two-thirds a couple of times, and give numbers averaging around the low 30's.

我选了22因为我想大多数人在游戏中,可能会多次求平均数的2/3,最后会得出30以下的数

耶鲁公开课 - 博弈论课程节选