权衡量相对未来恒量是折现。

Thetrade-off amount is a discount against the future constant.

施加于布料的外力，一个恒量。

A constant, external acceleration applied to the cloth.

我们相信美国依然是一个国家，在那比应得的恒量的现款交易竞争更多的生命力。

We believe that America is still a country where there is more to life than just a constant struggle for money.