but this argument of Pareto efficiency is about efficiency.

但这是有关效率的Pareto有效的论证
Maybe you could hurt A to help B

也许你可以伤害A而帮助B
because that serves your desire for fairness,

因为这可以帮你实现公平的愿望
but that doesn't say anything about how efficient the allocation is.

但这与如何实现有效配置无关
It's still true that the original allocation was

那么原始的配置是最有效的一点不假
efficient in the sense you couldn't make anyone better off.

你无法使任何人的境况得以改善
So the economists would say in order to hurt A and help B what

那么经济学家会说为了帮助B而伤害A
you should do is take some of A's endowment away from him and

你就要拿走A的一部分禀赋给
give it to her and then let them trade to a new competitive

让他们通过交易达到一个新的竞争性的
equilibrium where she began with more than him.

B所拥有禀赋多于A的均衡
And so the just thing to do is to rearrange the resources at

所要做的就是在初始阶段重新安排资源
the beginning and still let people trade to a final allocation.

并让人们交易以得到最终的配置