For instance, the dollar, or any other monetary unit, represents a unitofvalue; that is, it reflects ability to command goods and services.
例如，美元或任何其他货币单位代表着一个价值单位，即它反映控制商品和劳务的能力。
2
Money is just a unitof trade that we have assigned a certain value.
钱只是一个交易的单位,我们已经进行了分配一定的价值。
3
For these purposes of intended unit representation, an optional conceptual attribute with a default valueof false exists on a unit, as shown in Listing 5.