For this reason, ketosis is popular as a weight loss method, but it has many other benefits including better physical and mental efficiency.

因此，酮症在减肥方法中非常流行，但它还有很多其他的好处，包括有更好的生理和精神效力。

We should in fact have a situation in which short processes would have to be kept sufficiently scarce for their physical efficiency to outweigh the disadvantage of the early delivery of their product.

事实上，我们应该有这样一种情况，在这种情况下，短流程必须保持足够稀缺，以使其物理效率超过产品提前交付的缺点。

The ultimate quantity of value will not increase indefinitely, relatively to the quantity of labour employed, as the processes adopted become more and more roundabout, even if their physical efficiency is still increasing.

相对于所雇用的劳动量，价值的最终量不会无限增加，因为所采用的过程变得越来越迂回，即使它们的物理效率仍在增加。