A standard unit that costs on average $9 in other rich countries sets Americans back $99.

一份标准的剂量在其他富裕国家的平均价格是9美元，而美国人却要花99美元。

None the less, we honor Volta's discovery today by naming our standard unit of electric potential " the volt."

尽管如此，我们如今仍然把电势的标准单位命名为 " 伏特" ，以此表彰他的贡献。

The way we have standard units like meters or degrees, early accounting used units like cowry shells or shekels of grain.

我们使用米或度等标准单位的方式，早期会计使用贝壳或谢克尔谷物等单位。

For a long time, standard units were actually defined by carefully maintained physical prototypes.

长期以来，标准单位实际上是由精心维护的物理原型定义的。

Interestingly, one of the standard base units is derived from an actual value though not a universal one.

有趣的是，其中一个标准基本单位源自实际值， 但不是通用值。

Writing debts down in standard units serves one of the main functions of money: it lets you store value, or save up favors to cash in later.

它可以让你存储价值，或积攒好处以便以后兑现。