The scarcity of days, of life,   that is where the value is derived.

日子的稀缺、生命的稀缺，正是价值的来源。

At least, you are making use of your money, and hopefully deriving value and pleasure from it.

至少，你在使用你的钱，并希望从中获得价值和乐趣。

By removing the need for inefficient and expensive intermediaries, small farmers can derive greater value from what they grow and raise.

通过消除对低效和昂贵的中介机构的需求，小农户可以从他们种植和饲养的产品中获得更大的价值。

In areas such as caregiving and therapy, humans derive value from others spending their scarce time with them, which adds feeling to an interaction.

在护理和治疗等领域，人们从与他们共度宝贵时间的其他人身上获得价值，这增加了互动的感觉。

Mathematicians reply that it is Dingle who got his sums wrong, not Einstein: that Dingle used linear transformation to derive two different values for the same quantity, which is impossible.

数学家回答说，是丁格尔算错了，而不是爱因斯坦：丁格尔使用线性变换对同一数量得出两个不同的值，这是不可能的。