These balls also became a kind of currency. Spaniards recorded the Aztecs' exacting tribute payments of 16,000 rubber balls.

橡胶球也变成了一种货币。据西班牙文献记载，他们曾向阿兹特克人强行索要过一万六千个橡胶球作为贡品。

But the paper cannot go abroad; because at a distance from the banks which issue it, and from the country in which payment of it can be exacted by law, it will not be received in common payments.

但是论文不能出国；因为远离发行它的银行，并且远离可以依法要求支付它的国家，所以不会以普通付款方式收到它。