If the product is just the sum or multiple of a sum of the inputs, there wouldn't be much of a point working in a team at all.

如果总收益只是投入的和或者倍数,那这样合作也没什么意思了

耶鲁公开课 - 博弈论课程节选

When I give you multiple of i and another multiple of i, there's some has got as its coefficient the sum of the two coefficients.

如果我给你两个不同 i 矢量的倍数,就可以得到某个矢量,且它的系数是这两个系数的和

耶鲁公开课 - 基础物理课程节选