多个惯性参考系之间才有互相平权的问题, in terms of 对物理运动的观测.

in china: 红后代=红惯性, the only 惯性参考系, 资本家=0.5 惯性参考系, attached to 红惯性; only they can 对 china's 物理运动做观测

everybody else in china=a piece of shit(:) ,but you have 1.4 B of them, 干电池