Increases in productivity and the restless search for profits drive the process.

生产率的提高和对利润永不满足的追求推动了这一过程。

The result has been an unexpected increase in productivity, a measure of economic performance.

其结果是生产率出人意料地提高。生产率是一种衡量经济表现的指标。

Despite an increase in productivity, staff turnover tripled, because employees didn't want to work under extreme supervision.

尽管生产力有所提高，但员工流动率却增加了两倍，因为员工不想在监督下工作。

The first increases in productivity, of course, are improved animal health.

生产力的第一个提高当然是动物健康的改善。

People spend less time commuting, which from their vantage-point might feel like an increase in productivity, even if conventional measures fail to detect it.

人们花在通勤上的时间减少了，从他们的角度来看，这可能会让他们感觉到效率提高，虽然传统的衡量标准无法检测到这一点。

In particular, there has been an increase in productivity, an increase in employment, there has been a huge increase in the number of people in the middle class.

尤其是生产力的提高，就业率的提高，中产阶级人数也有了大幅度增加。

But, if you don't think that's cutting it, then going for a bit more makes sense, just keep an eye out for any unsuspecting jitters and unfortunate increases in productivity.

但是，如果你认为高剂量没有问题，那么再多喝一点也没关系，只要留意任何毫无由来的心慌和生产效率的不幸提高。