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.

这些部分更快，更省力。

It was quicker and it required less energy.

这样更快，也更省力。

Reducing Friction: The Law of Least Effort.

最省力法则。

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

而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众的省力工具，人将分成两类。

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

你把自己成千上万的器具叫做“省力的机械”，但是你永远那么“忙碌”。

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

学都为了省力而这样做，已经有越来越的人注意到这个问题了。

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，这台机器将是完美的省力设备。

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这些伟的省力装置。

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。

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

这些是批量生产、标准化和使用省力机械。

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

因此，例如，电子邮件在很方面都是一种省力的设备。

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

另外半数读的则是16磅小、Arial纯黑字体（这种字体经测试表明，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”是指你为了完成某件事、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.

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。

It's also typically less draining to offer advice on a hard decision than it is to make that choice yourself.

通常，为艰难的决定供建议比自己做出选择更省力。

Is it convenient to use coins?

使用硬币方便吗？说实话，现在用硬币真的不太方便。手机支付不仅省时省力，对来说也更能帮助集中精力在重要的事 情上，比如工作和个人成长。所以硬币已经不再是生活中的必需品。