1. 平等；同等；相等
    If there is parity between two things, they are equal.

    e.g. Women have yet to achieve wage or occupational parity in many fields...
           女性在很多领域还没能争取到薪金、职位方面的平等。
    e.g. Italy wanted naval parity with France.
           意大利想要在海军实力上与法国平起平坐。

2. （两国货币汇率之间的）平价
    If there is parity between the units of currency of two countries, the exchange rate is such that the units are equal to each other.

    e.g. The government was ready to let the pound sink to parity with the dollar if necessary.
           政府准备在必要的时候将英镑降到与美元平价。