This is the law of diminishing marginal utility.

这就是边际效用减规律。

Because you can only study so many hours in a day, longer hours yields diminishing returns.

因为你一天只能学习这么多小时，更长的时间会产生报酬减。

But every hour you get lower and lower returns.

但你每多一个小时，回报都会减。

The Law of Diminishing Marginal Returns applies to all sorts of tasks.

边际收益减法则适用于各种场合。

And that's why we structured it as a spend-down fund.

这就是为什么我们将其构建为支出减基金。

And ultimately, increasing the sample size can have diminishing returns on accuracy.

最终，增加样本量对的回报会减。

They too can become scarcer and less productive with age.

线粒体的数量和活力也会随着年龄增长而减。

Minutes. I mean, its half-life is decreasing exponentially.

它的半衰期每分钟正以指数减。

And that's why regressive tax takes a disproportionate toll on people with lower incomes.

这就是减税对低收入群造成不成比例的伤害的原因。

Singapore's government, unlike New York's or London's, is its citizens' overall tax authority, and its tax system is regressive.

与纽约或伦敦的政府不同，新加坡政府是公民的总体税务机关，并且是减的征税体制。

The results aren't linear though, and there are diminishing returns and even negative outcomes if volume accumulates too quickly.

然而，结果不是线的，如果数量积累得太快，回报会减，甚至是负面结果。

If progressiveness and regressiveness are even words.

如果累进税和减税平等的话。

Economists also characterize taxes as regressive, progressive and proportional.

经济学家还按特点将税收分为减税、累进税和比例税。

Reason 2: The returns are diminishing.

回报正在减。

Some economists argue that fees for things like hunting licenses, toll roads, and driver's licenses are also regressive.

一些经济学家认为，对狩猎执照、收费公路和驾照等的征税也是减税。

Beyond some level of income, the value of each additional dollar has diminishing returns in terms of our day-to-day well-being.

除了某种程度的收入之外，额外一美元的价值对我们的日常幸福来说回报是减的。

It advises close tax havens, stop what it calls regressive forms of taxation and increase investment in free public services.

该组织建议关闭避税港，取消所谓的减税，并增加对免费公共服务的投资。

Sales taxes, especially on essential items, are considered regressive.

销售税，特别是必备物品的销售税被认为是减税。

But regressive taxes take a higher toll on people with lower income than high income earners.

但是减税对低收入群的影响要高于高收入群。

More efficient growth would require a lower input of capital (as well as energy and labour) per yuan of extra output.

经济更有效的增长要求在生产的边际增长中，资金，能源和力等生产要素的边际投入减。