The comparative value of the non-artificial intelligence required to perform them may decline.

执行这些任务所需的非人工智能的相对价值可能会下降。

In the whole progress of improvement, it might, therefore, be expected there should be only one variation in the comparative values of those two different sorts of produce.

因此，在整个改进过程中，可以预期这两种不同产品的比较价值应该只有一个变化。

Not only do the comparative values of charwomen and lawyers rise and fall from decade to decade, but we have no rods with which to measure them even as they are at the moment.

女佣和律师的比较价值不仅在十年间起起落落，而且我们也没有衡量他们的标准， 就像现在一样。