I say it's 4 and 5,000.

为4和5000
And then let's make another person,

现在让我们在看看代理商B
W^(B), his welfare function or let's say his and her welfare

他的或者说她的福利函数为
and her endowment E^(B) of X and E^(B) of Y equals 80 and

那么她的补贴E^(B)的X和E^(B)的Y
1,000.

等于80和1000
So this is supposed to be shorthand for an economy in

这只是经济社会的一个缩影
which there are thousands of people,

因为世界上有千百万的人口
millions of people, every person characterized by

每个人都被赋予他所获得的效用特征
the utility they get, the goals they have over the

他们获得消费品的目的
consumption goods, and their starting endowments,

以及他们开始的补贴
and they're all going to be thrown together and expected to

在于他们匆匆相聚为的是
trade.

交易