It claims to need less effort than a traditional masher.

据说更加省力。

C. an effective way to save time and energy.

一种省时省力的有效方法。

Those parts are quicker, those parts are more effortless.

部分更快，更省力。

Reducing Friction: The Law of Least Effort.

最省力法则。

It was quicker and it required less energy.

样更快，也更省力。

And making pizza involves less time and risk than attacking people.

且做披萨比攻击人要省时省力。

As AI translation becomes an even more popular labour-saving tool, people will split into two groups.

随着人工智能翻译成为一种更大众的省力工具，人们将分成两类。

You call your thousand material devices " labor-saving machinery, " yet you are forever " busy."

们把自己成千上万的器具叫做“省力的机械”，但们永远那么“忙碌”。

More and more persons have the same discoveries since most universities do that in order to save energy.

许多大学都为了省力样做，已经有越来越多的人注意到个问题了。

B. It saves time and effort in cooking.

B、做饭省时省力。

Well, this machine would be the perfect labor-saving device.

好吧，台机器将完美的省力设备。

These are quantity production, standardization, and the use of labor-saving machinery.

批量生产、标准化和使用省力机械。

Like when the Department of Agriculture launched the Step-Saving Kitchen in the late 1940s.

就像农业部在20世纪40年代后期推出“省力厨房” 一样。

So for example, email in many ways is a labor-saving device.

因此，例如，电子邮件在很多方面都一种省力的设备。

The agricultural papers and agricultural fairs had not succeeded in popularizing these great laborsaving devices.

农业报纸和农业博览会并没有成功地推广伟大的省力装置。

The other half saw it in 16-point Arial pure-black font, which tests have shown is one of the easiest to read.

另外半数读的则16磅大小、Arial纯黑字体（种字体经测试表明，读起来最省力）。

" Labor-saving" refers to the time and energy you need in order to accomplish something, to do something.

“省力”指为了完成某件事、做某事所需要的时间和精力。

We will continue to develop labor-saving devices, simpler ways of doing everyday tasks, and to improve artificial intelligence.

我们将继续开发省力设备、更简单的日常工作方式，并改进人工智能。

There is no need to worry-you can pay for almost everything on your smartphone.

互联网通过电子商一一也就通常所说的电商一一提供应有尽有的商品和服，给我们的生活带来 了令人难以置信的便利。通过外卖程序和网站，可以让人送餐上门。为了买一双理想的靴子，一家店接 一家店去找的日子己经一去不复返了，可以舒舒服服地待在自家客厅里比较款式和价格，省时省力。为 什么要在寒冷的雨中绝望地等待出租车呢？如今，在出租车程序上预约一辆，既简单又快捷。在温暖的室 内惬意地坐上几分钟，只待司机到达。想要度假的话，只要坐在电脑前，就能搞定所有的行程安排。忘 了带现金？不用担心，几乎所有的费用都可以通过智能手机来支付。

They found that, per calorie, meat does take less effort to chew than the veggies humans were probably eating at the time.

他们发现， 按卡路里计算，肉类确实比当时人类可能吃的蔬菜更省力。